Home / 27,980.04-38,613.24-15,234

Finding the Fourth Proportional to 27,980.04, 38,613.24 and 15,234

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Solution

The fourth proportional to 27,980.04, 38,613.24 and 15,234 is: 21,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.04 : 38,613.24 = 15,234 : x
  2. Step 2: Convert to fraction form
    27,980.04/38,613.24 = 15,234/x
  3. Step 3: Cross multiply
    27,980.04x = 38,613.24 × 15,234
  4. Step 4: Simplify right side
    27,980.04x = 588,234,098.16
  5. Step 5: Solve for x
    x = 588,234,098.16/27,980.04
  6. Step 6: Final answer
    x = 21,023.35

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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.