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Finding the Fourth Proportional to 24,007.78, 36,007.62 and 8,807.21

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Solution

The fourth proportional to 24,007.78, 36,007.62 and 8,807.21 is: 13,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,007.78 : 36,007.62 = 8,807.21 : x
  2. Step 2: Convert to fraction form
    24,007.78/36,007.62 = 8,807.21/x
  3. Step 3: Cross multiply
    24,007.78x = 36,007.62 × 8,807.21
  4. Step 4: Simplify right side
    24,007.78x = 317,126,626.90
  5. Step 5: Solve for x
    x = 317,126,626.90/24,007.78
  6. Step 6: Final answer
    x = 13,209.33

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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.