Home / 26,687.32-36,829.92-15,358.54

Finding the Fourth Proportional to 26,687.32, 36,829.92 and 15,358.54

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Solution

The fourth proportional to 26,687.32, 36,829.92 and 15,358.54 is: 21,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.32 : 36,829.92 = 15,358.54 : x
  2. Step 2: Convert to fraction form
    26,687.32/36,829.92 = 15,358.54/x
  3. Step 3: Cross multiply
    26,687.32x = 36,829.92 × 15,358.54
  4. Step 4: Simplify right side
    26,687.32x = 565,653,799.52
  5. Step 5: Solve for x
    x = 565,653,799.52/26,687.32
  6. Step 6: Final answer
    x = 21,195.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.