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Finding the Fourth Proportional to 36,280, 54,439.36 and 15,498.72

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Solution

The fourth proportional to 36,280, 54,439.36 and 15,498.72 is: 23,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,280 : 54,439.36 = 15,498.72 : x
  2. Step 2: Convert to fraction form
    36,280/54,439.36 = 15,498.72/x
  3. Step 3: Cross multiply
    36,280x = 54,439.36 × 15,498.72
  4. Step 4: Simplify right side
    36,280x = 843,740,397.62
  5. Step 5: Solve for x
    x = 843,740,397.62/36,280
  6. Step 6: Final answer
    x = 23,256.35

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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.