Home / 26,097.28-39,145.92-18,340.72

Finding the Fourth Proportional to 26,097.28, 39,145.92 and 18,340.72

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Solution

The fourth proportional to 26,097.28, 39,145.92 and 18,340.72 is: 27,511.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,097.28 : 39,145.92 = 18,340.72 : x
  2. Step 2: Convert to fraction form
    26,097.28/39,145.92 = 18,340.72/x
  3. Step 3: Cross multiply
    26,097.28x = 39,145.92 × 18,340.72
  4. Step 4: Simplify right side
    26,097.28x = 717,964,357.86
  5. Step 5: Solve for x
    x = 717,964,357.86/26,097.28
  6. Step 6: Final answer
    x = 27,511.08

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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.