Home / 29,377.92-40,541.64-15,949.20

Finding the Fourth Proportional to 29,377.92, 40,541.64 and 15,949.20

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Solution

The fourth proportional to 29,377.92, 40,541.64 and 15,949.20 is: 22,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,377.92 : 40,541.64 = 15,949.20 : x
  2. Step 2: Convert to fraction form
    29,377.92/40,541.64 = 15,949.20/x
  3. Step 3: Cross multiply
    29,377.92x = 40,541.64 × 15,949.20
  4. Step 4: Simplify right side
    29,377.92x = 646,606,724.69
  5. Step 5: Solve for x
    x = 646,606,724.69/29,377.92
  6. Step 6: Final answer
    x = 22,009.96

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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.