Home / 20,502.08-28,292.46-11,549.42

Finding the Fourth Proportional to 20,502.08, 28,292.46 and 11,549.42

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Solution

The fourth proportional to 20,502.08, 28,292.46 and 11,549.42 is: 15,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.08 : 28,292.46 = 11,549.42 : x
  2. Step 2: Convert to fraction form
    20,502.08/28,292.46 = 11,549.42/x
  3. Step 3: Cross multiply
    20,502.08x = 28,292.46 × 11,549.42
  4. Step 4: Simplify right side
    20,502.08x = 326,761,503.37
  5. Step 5: Solve for x
    x = 326,761,503.37/20,502.08
  6. Step 6: Final answer
    x = 15,937.97

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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.