Home / 26,376.10-36,399.45-15,766.90

Finding the Fourth Proportional to 26,376.10, 36,399.45 and 15,766.90

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Solution

The fourth proportional to 26,376.10, 36,399.45 and 15,766.90 is: 21,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.10 : 36,399.45 = 15,766.90 : x
  2. Step 2: Convert to fraction form
    26,376.10/36,399.45 = 15,766.90/x
  3. Step 3: Cross multiply
    26,376.10x = 36,399.45 × 15,766.90
  4. Step 4: Simplify right side
    26,376.10x = 573,906,488.21
  5. Step 5: Solve for x
    x = 573,906,488.21/26,376.10
  6. Step 6: Final answer
    x = 21,758.58

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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.