Home / 26,540.19-39,785.31-8,997.57

Finding the Fourth Proportional to 26,540.19, 39,785.31 and 8,997.57

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Solution

The fourth proportional to 26,540.19, 39,785.31 and 8,997.57 is: 13,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.19 : 39,785.31 = 8,997.57 : x
  2. Step 2: Convert to fraction form
    26,540.19/39,785.31 = 8,997.57/x
  3. Step 3: Cross multiply
    26,540.19x = 39,785.31 × 8,997.57
  4. Step 4: Simplify right side
    26,540.19x = 357,971,111.70
  5. Step 5: Solve for x
    x = 357,971,111.70/26,540.19
  6. Step 6: Final answer
    x = 13,487.89

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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.