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Finding the Fourth Proportional to 17,737.52, 26,622.76 and 8,978.64

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Solution

The fourth proportional to 17,737.52, 26,622.76 and 8,978.64 is: 13,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,737.52 : 26,622.76 = 8,978.64 : x
  2. Step 2: Convert to fraction form
    17,737.52/26,622.76 = 8,978.64/x
  3. Step 3: Cross multiply
    17,737.52x = 26,622.76 × 8,978.64
  4. Step 4: Simplify right side
    17,737.52x = 239,036,177.85
  5. Step 5: Solve for x
    x = 239,036,177.85/17,737.52
  6. Step 6: Final answer
    x = 13,476.30

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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.