Home / 25,820.46-38,680.56-15,120.96

Finding the Fourth Proportional to 25,820.46, 38,680.56 and 15,120.96

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Solution

The fourth proportional to 25,820.46, 38,680.56 and 15,120.96 is: 22,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.46 : 38,680.56 = 15,120.96 : x
  2. Step 2: Convert to fraction form
    25,820.46/38,680.56 = 15,120.96/x
  3. Step 3: Cross multiply
    25,820.46x = 38,680.56 × 15,120.96
  4. Step 4: Simplify right side
    25,820.46x = 584,887,200.54
  5. Step 5: Solve for x
    x = 584,887,200.54/25,820.46
  6. Step 6: Final answer
    x = 22,652.08

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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.