Home / 26,229.60-36,197.01-15,619.68

Finding the Fourth Proportional to 26,229.60, 36,197.01 and 15,619.68

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Solution

The fourth proportional to 26,229.60, 36,197.01 and 15,619.68 is: 21,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.60 : 36,197.01 = 15,619.68 : x
  2. Step 2: Convert to fraction form
    26,229.60/36,197.01 = 15,619.68/x
  3. Step 3: Cross multiply
    26,229.60x = 36,197.01 × 15,619.68
  4. Step 4: Simplify right side
    26,229.60x = 565,385,713.16
  5. Step 5: Solve for x
    x = 565,385,713.16/26,229.60
  6. Step 6: Final answer
    x = 21,555.25

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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.