Home / 26,080.28-39,087.61-18,699.15

Finding the Fourth Proportional to 26,080.28, 39,087.61 and 18,699.15

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Solution

The fourth proportional to 26,080.28, 39,087.61 and 18,699.15 is: 28,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,080.28 : 39,087.61 = 18,699.15 : x
  2. Step 2: Convert to fraction form
    26,080.28/39,087.61 = 18,699.15/x
  3. Step 3: Cross multiply
    26,080.28x = 39,087.61 × 18,699.15
  4. Step 4: Simplify right side
    26,080.28x = 730,905,287.54
  5. Step 5: Solve for x
    x = 730,905,287.54/26,080.28
  6. Step 6: Final answer
    x = 28,025.21

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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.