Home / 28,253.50-42,380.26-22,018.18

Finding the Fourth Proportional to 28,253.50, 42,380.26 and 22,018.18

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Solution

The fourth proportional to 28,253.50, 42,380.26 and 22,018.18 is: 33,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.50 : 42,380.26 = 22,018.18 : x
  2. Step 2: Convert to fraction form
    28,253.50/42,380.26 = 22,018.18/x
  3. Step 3: Cross multiply
    28,253.50x = 42,380.26 × 22,018.18
  4. Step 4: Simplify right side
    28,253.50x = 933,136,193.13
  5. Step 5: Solve for x
    x = 933,136,193.13/28,253.50
  6. Step 6: Final answer
    x = 33,027.28

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Half scale
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Double scale
Find fourth proportional to 28,254.50, 42,381.76 and 22,019.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.