Home / 29,418.92-40,598.38-15,990.21

Finding the Fourth Proportional to 29,418.92, 40,598.38 and 15,990.21

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Solution

The fourth proportional to 29,418.92, 40,598.38 and 15,990.21 is: 22,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,418.92 : 40,598.38 = 15,990.21 : x
  2. Step 2: Convert to fraction form
    29,418.92/40,598.38 = 15,990.21/x
  3. Step 3: Cross multiply
    29,418.92x = 40,598.38 × 15,990.21
  4. Step 4: Simplify right side
    29,418.92x = 649,176,560.34
  5. Step 5: Solve for x
    x = 649,176,560.34/29,418.92
  6. Step 6: Final answer
    x = 22,066.63

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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.