Home / 26,685.30-40,028.76-9,154.88

Finding the Fourth Proportional to 26,685.30, 40,028.76 and 9,154.88

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Solution

The fourth proportional to 26,685.30, 40,028.76 and 9,154.88 is: 13,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.30 : 40,028.76 = 9,154.88 : x
  2. Step 2: Convert to fraction form
    26,685.30/40,028.76 = 9,154.88/x
  3. Step 3: Cross multiply
    26,685.30x = 40,028.76 × 9,154.88
  4. Step 4: Simplify right side
    26,685.30x = 366,458,294.21
  5. Step 5: Solve for x
    x = 366,458,294.21/26,685.30
  6. Step 6: Final answer
    x = 13,732.59

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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.