Home / 29,401.32-40,573.33-15,972.78

Finding the Fourth Proportional to 29,401.32, 40,573.33 and 15,972.78

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Solution

The fourth proportional to 29,401.32, 40,573.33 and 15,972.78 is: 22,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,401.32 : 40,573.33 = 15,972.78 : x
  2. Step 2: Convert to fraction form
    29,401.32/40,573.33 = 15,972.78/x
  3. Step 3: Cross multiply
    29,401.32x = 40,573.33 × 15,972.78
  4. Step 4: Simplify right side
    29,401.32x = 648,068,873.96
  5. Step 5: Solve for x
    x = 648,068,873.96/29,401.32
  6. Step 6: Final answer
    x = 22,042.17

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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.