Home / 29,526.91-40,761.68-20,459.16

Finding the Fourth Proportional to 29,526.91, 40,761.68 and 20,459.16

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Solution

The fourth proportional to 29,526.91, 40,761.68 and 20,459.16 is: 28,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,526.91 : 40,761.68 = 20,459.16 : x
  2. Step 2: Convert to fraction form
    29,526.91/40,761.68 = 20,459.16/x
  3. Step 3: Cross multiply
    29,526.91x = 40,761.68 × 20,459.16
  4. Step 4: Simplify right side
    29,526.91x = 833,949,732.99
  5. Step 5: Solve for x
    x = 833,949,732.99/29,526.91
  6. Step 6: Final answer
    x = 28,243.72

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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.