Home / 26,353.28-39,449.28-18,957.44

Finding the Fourth Proportional to 26,353.28, 39,449.28 and 18,957.44

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Solution

The fourth proportional to 26,353.28, 39,449.28 and 18,957.44 is: 28,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,353.28 : 39,449.28 = 18,957.44 : x
  2. Step 2: Convert to fraction form
    26,353.28/39,449.28 = 18,957.44/x
  3. Step 3: Cross multiply
    26,353.28x = 39,449.28 × 18,957.44
  4. Step 4: Simplify right side
    26,353.28x = 747,857,358.64
  5. Step 5: Solve for x
    x = 747,857,358.64/26,353.28
  6. Step 6: Final answer
    x = 28,378.15

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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.