Home / 28,393.98-39,181.36-16,298.16

Finding the Fourth Proportional to 28,393.98, 39,181.36 and 16,298.16

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Solution

The fourth proportional to 28,393.98, 39,181.36 and 16,298.16 is: 22,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.98 : 39,181.36 = 16,298.16 : x
  2. Step 2: Convert to fraction form
    28,393.98/39,181.36 = 16,298.16/x
  3. Step 3: Cross multiply
    28,393.98x = 39,181.36 × 16,298.16
  4. Step 4: Simplify right side
    28,393.98x = 638,584,114.66
  5. Step 5: Solve for x
    x = 638,584,114.66/28,393.98
  6. Step 6: Final answer
    x = 22,490.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.