Home / 28,807.43-39,757.46-16,061.76

Finding the Fourth Proportional to 28,807.43, 39,757.46 and 16,061.76

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Solution

The fourth proportional to 28,807.43, 39,757.46 and 16,061.76 is: 22,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.43 : 39,757.46 = 16,061.76 : x
  2. Step 2: Convert to fraction form
    28,807.43/39,757.46 = 16,061.76/x
  3. Step 3: Cross multiply
    28,807.43x = 39,757.46 × 16,061.76
  4. Step 4: Simplify right side
    28,807.43x = 638,574,700.42
  5. Step 5: Solve for x
    x = 638,574,700.42/28,807.43
  6. Step 6: Final answer
    x = 22,167.02

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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.