Home / 28,042.56-38,691.54-16,103.16

Finding the Fourth Proportional to 28,042.56, 38,691.54 and 16,103.16

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Solution

The fourth proportional to 28,042.56, 38,691.54 and 16,103.16 is: 22,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.56 : 38,691.54 = 16,103.16 : x
  2. Step 2: Convert to fraction form
    28,042.56/38,691.54 = 16,103.16/x
  3. Step 3: Cross multiply
    28,042.56x = 38,691.54 × 16,103.16
  4. Step 4: Simplify right side
    28,042.56x = 623,056,059.27
  5. Step 5: Solve for x
    x = 623,056,059.27/28,042.56
  6. Step 6: Final answer
    x = 22,218.23

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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.