Home / 26,080.42-39,023.07-15,511.90

Finding the Fourth Proportional to 26,080.42, 39,023.07 and 15,511.90

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Solution

The fourth proportional to 26,080.42, 39,023.07 and 15,511.90 is: 23,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,080.42 : 39,023.07 = 15,511.90 : x
  2. Step 2: Convert to fraction form
    26,080.42/39,023.07 = 15,511.90/x
  3. Step 3: Cross multiply
    26,080.42x = 39,023.07 × 15,511.90
  4. Step 4: Simplify right side
    26,080.42x = 605,321,959.53
  5. Step 5: Solve for x
    x = 605,321,959.53/26,080.42
  6. Step 6: Final answer
    x = 23,209.82

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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.