Home / 26,104.38-39,158.16-7,385.84

Finding the Fourth Proportional to 26,104.38, 39,158.16 and 7,385.84

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Solution

The fourth proportional to 26,104.38, 39,158.16 and 7,385.84 is: 11,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,104.38 : 39,158.16 = 7,385.84 : x
  2. Step 2: Convert to fraction form
    26,104.38/39,158.16 = 7,385.84/x
  3. Step 3: Cross multiply
    26,104.38x = 39,158.16 × 7,385.84
  4. Step 4: Simplify right side
    26,104.38x = 289,215,958.71
  5. Step 5: Solve for x
    x = 289,215,958.71/26,104.38
  6. Step 6: Final answer
    x = 11,079.21

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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.