Home / 29,388.74-40,557.18-15,960.56

Finding the Fourth Proportional to 29,388.74, 40,557.18 and 15,960.56

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Solution

The fourth proportional to 29,388.74, 40,557.18 and 15,960.56 is: 22,025.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.74 : 40,557.18 = 15,960.56 : x
  2. Step 2: Convert to fraction form
    29,388.74/40,557.18 = 15,960.56/x
  3. Step 3: Cross multiply
    29,388.74x = 40,557.18 × 15,960.56
  4. Step 4: Simplify right side
    29,388.74x = 647,315,304.82
  5. Step 5: Solve for x
    x = 647,315,304.82/29,388.74
  6. Step 6: Final answer
    x = 22,025.96

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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.