Home / 26,115.38-39,164.76-8,581.16

Finding the Fourth Proportional to 26,115.38, 39,164.76 and 8,581.16

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Solution

The fourth proportional to 26,115.38, 39,164.76 and 8,581.16 is: 12,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.38 : 39,164.76 = 8,581.16 : x
  2. Step 2: Convert to fraction form
    26,115.38/39,164.76 = 8,581.16/x
  3. Step 3: Cross multiply
    26,115.38x = 39,164.76 × 8,581.16
  4. Step 4: Simplify right side
    26,115.38x = 336,079,071.92
  5. Step 5: Solve for x
    x = 336,079,071.92/26,115.38
  6. Step 6: Final answer
    x = 12,869.01

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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.