Home / 25,077.22-34,610.10-15,520.17

Finding the Fourth Proportional to 25,077.22, 34,610.10 and 15,520.17

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Solution

The fourth proportional to 25,077.22, 34,610.10 and 15,520.17 is: 21,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,077.22 : 34,610.10 = 15,520.17 : x
  2. Step 2: Convert to fraction form
    25,077.22/34,610.10 = 15,520.17/x
  3. Step 3: Cross multiply
    25,077.22x = 34,610.10 × 15,520.17
  4. Step 4: Simplify right side
    25,077.22x = 537,154,794.61
  5. Step 5: Solve for x
    x = 537,154,794.61/25,077.22
  6. Step 6: Final answer
    x = 21,420.03

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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.