Home / 25,800.11-35,610.49-15,734.10

Finding the Fourth Proportional to 25,800.11, 35,610.49 and 15,734.10

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Solution

The fourth proportional to 25,800.11, 35,610.49 and 15,734.10 is: 21,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.11 : 35,610.49 = 15,734.10 : x
  2. Step 2: Convert to fraction form
    25,800.11/35,610.49 = 15,734.10/x
  3. Step 3: Cross multiply
    25,800.11x = 35,610.49 × 15,734.10
  4. Step 4: Simplify right side
    25,800.11x = 560,299,010.71
  5. Step 5: Solve for x
    x = 560,299,010.71/25,800.11
  6. Step 6: Final answer
    x = 21,716.92

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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.