Home / 26,167.08-39,251.98-8,638.28

Finding the Fourth Proportional to 26,167.08, 39,251.98 and 8,638.28

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Solution

The fourth proportional to 26,167.08, 39,251.98 and 8,638.28 is: 12,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,167.08 : 39,251.98 = 8,638.28 : x
  2. Step 2: Convert to fraction form
    26,167.08/39,251.98 = 8,638.28/x
  3. Step 3: Cross multiply
    26,167.08x = 39,251.98 × 8,638.28
  4. Step 4: Simplify right side
    26,167.08x = 339,069,593.79
  5. Step 5: Solve for x
    x = 339,069,593.79/26,167.08
  6. Step 6: Final answer
    x = 12,957.87

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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.