Home / 27,646.20-41,471.46-13,613.76

Finding the Fourth Proportional to 27,646.20, 41,471.46 and 13,613.76

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Solution

The fourth proportional to 27,646.20, 41,471.46 and 13,613.76 is: 20,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.20 : 41,471.46 = 13,613.76 : x
  2. Step 2: Convert to fraction form
    27,646.20/41,471.46 = 13,613.76/x
  3. Step 3: Cross multiply
    27,646.20x = 41,471.46 × 13,613.76
  4. Step 4: Simplify right side
    27,646.20x = 564,582,503.29
  5. Step 5: Solve for x
    x = 564,582,503.29/27,646.20
  6. Step 6: Final answer
    x = 20,421.70

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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.