Home / 24,086.78-36,121.19-8,287.40

Finding the Fourth Proportional to 24,086.78, 36,121.19 and 8,287.40

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Solution

The fourth proportional to 24,086.78, 36,121.19 and 8,287.40 is: 12,428.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,086.78 : 36,121.19 = 8,287.40 : x
  2. Step 2: Convert to fraction form
    24,086.78/36,121.19 = 8,287.40/x
  3. Step 3: Cross multiply
    24,086.78x = 36,121.19 × 8,287.40
  4. Step 4: Simplify right side
    24,086.78x = 299,350,590.12
  5. Step 5: Solve for x
    x = 299,350,590.12/24,086.78
  6. Step 6: Final answer
    x = 12,428.00

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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.