Home / 28,250.21-42,330.30-14,922.74

Finding the Fourth Proportional to 28,250.21, 42,330.30 and 14,922.74

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Solution

The fourth proportional to 28,250.21, 42,330.30 and 14,922.74 is: 22,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.21 : 42,330.30 = 14,922.74 : x
  2. Step 2: Convert to fraction form
    28,250.21/42,330.30 = 14,922.74/x
  3. Step 3: Cross multiply
    28,250.21x = 42,330.30 × 14,922.74
  4. Step 4: Simplify right side
    28,250.21x = 631,683,849.37
  5. Step 5: Solve for x
    x = 631,683,849.37/28,250.21
  6. Step 6: Final answer
    x = 22,360.33

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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.