Home / 29,428.74-40,607.29-17,487.78

Finding the Fourth Proportional to 29,428.74, 40,607.29 and 17,487.78

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Solution

The fourth proportional to 29,428.74, 40,607.29 and 17,487.78 is: 24,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.74 : 40,607.29 = 17,487.78 : x
  2. Step 2: Convert to fraction form
    29,428.74/40,607.29 = 17,487.78/x
  3. Step 3: Cross multiply
    29,428.74x = 40,607.29 × 17,487.78
  4. Step 4: Simplify right side
    29,428.74x = 710,131,353.92
  5. Step 5: Solve for x
    x = 710,131,353.92/29,428.74
  6. Step 6: Final answer
    x = 24,130.54

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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.