Home / 26,118.92-39,179.28-8,590.12

Finding the Fourth Proportional to 26,118.92, 39,179.28 and 8,590.12

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Solution

The fourth proportional to 26,118.92, 39,179.28 and 8,590.12 is: 12,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.92 : 39,179.28 = 8,590.12 : x
  2. Step 2: Convert to fraction form
    26,118.92/39,179.28 = 8,590.12/x
  3. Step 3: Cross multiply
    26,118.92x = 39,179.28 × 8,590.12
  4. Step 4: Simplify right side
    26,118.92x = 336,554,716.71
  5. Step 5: Solve for x
    x = 336,554,716.71/26,118.92
  6. Step 6: Final answer
    x = 12,885.48

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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.