Home / 26,001.52-39,002.34-8,472.72

Finding the Fourth Proportional to 26,001.52, 39,002.34 and 8,472.72

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Solution

The fourth proportional to 26,001.52, 39,002.34 and 8,472.72 is: 12,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001.52 : 39,002.34 = 8,472.72 : x
  2. Step 2: Convert to fraction form
    26,001.52/39,002.34 = 8,472.72/x
  3. Step 3: Cross multiply
    26,001.52x = 39,002.34 × 8,472.72
  4. Step 4: Simplify right side
    26,001.52x = 330,455,906.16
  5. Step 5: Solve for x
    x = 330,455,906.16/26,001.52
  6. Step 6: Final answer
    x = 12,709.10

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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.