Home / 26,385.60-39,610.80-26,191.20

Finding the Fourth Proportional to 26,385.60, 39,610.80 and 26,191.20

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Solution

The fourth proportional to 26,385.60, 39,610.80 and 26,191.20 is: 39,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.60 : 39,610.80 = 26,191.20 : x
  2. Step 2: Convert to fraction form
    26,385.60/39,610.80 = 26,191.20/x
  3. Step 3: Cross multiply
    26,385.60x = 39,610.80 × 26,191.20
  4. Step 4: Simplify right side
    26,385.60x = 1,037,454,384.96
  5. Step 5: Solve for x
    x = 1,037,454,384.96/26,385.60
  6. Step 6: Final answer
    x = 39,318.96

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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.