Home / 28,089.59-38,772.27-16,160.87

Finding the Fourth Proportional to 28,089.59, 38,772.27 and 16,160.87

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Solution

The fourth proportional to 28,089.59, 38,772.27 and 16,160.87 is: 22,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.59 : 38,772.27 = 16,160.87 : x
  2. Step 2: Convert to fraction form
    28,089.59/38,772.27 = 16,160.87/x
  3. Step 3: Cross multiply
    28,089.59x = 38,772.27 × 16,160.87
  4. Step 4: Simplify right side
    28,089.59x = 626,593,493.91
  5. Step 5: Solve for x
    x = 626,593,493.91/28,089.59
  6. Step 6: Final answer
    x = 22,306.97

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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.