Home / 28,534.08-42,793.92-13,739.16

Finding the Fourth Proportional to 28,534.08, 42,793.92 and 13,739.16

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Solution

The fourth proportional to 28,534.08, 42,793.92 and 13,739.16 is: 20,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.08 : 42,793.92 = 13,739.16 : x
  2. Step 2: Convert to fraction form
    28,534.08/42,793.92 = 13,739.16/x
  3. Step 3: Cross multiply
    28,534.08x = 42,793.92 × 13,739.16
  4. Step 4: Simplify right side
    28,534.08x = 587,952,513.91
  5. Step 5: Solve for x
    x = 587,952,513.91/28,534.08
  6. Step 6: Final answer
    x = 20,605.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.