Home / 26,934.74-40,402.38-9,405.02

Finding the Fourth Proportional to 26,934.74, 40,402.38 and 9,405.02

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Solution

The fourth proportional to 26,934.74, 40,402.38 and 9,405.02 is: 14,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,934.74 : 40,402.38 = 9,405.02 : x
  2. Step 2: Convert to fraction form
    26,934.74/40,402.38 = 9,405.02/x
  3. Step 3: Cross multiply
    26,934.74x = 40,402.38 × 9,405.02
  4. Step 4: Simplify right side
    26,934.74x = 379,985,191.95
  5. Step 5: Solve for x
    x = 379,985,191.95/26,934.74
  6. Step 6: Final answer
    x = 14,107.62

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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.