Home / 28,092.09-38,766.17-15,991.83

Finding the Fourth Proportional to 28,092.09, 38,766.17 and 15,991.83

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Solution

The fourth proportional to 28,092.09, 38,766.17 and 15,991.83 is: 22,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.09 : 38,766.17 = 15,991.83 : x
  2. Step 2: Convert to fraction form
    28,092.09/38,766.17 = 15,991.83/x
  3. Step 3: Cross multiply
    28,092.09x = 38,766.17 × 15,991.83
  4. Step 4: Simplify right side
    28,092.09x = 619,941,995.39
  5. Step 5: Solve for x
    x = 619,941,995.39/28,092.09
  6. Step 6: Final answer
    x = 22,068.20

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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.