Home / 29,377.80-40,541.68-15,949.20

Finding the Fourth Proportional to 29,377.80, 40,541.68 and 15,949.20

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Solution

The fourth proportional to 29,377.80, 40,541.68 and 15,949.20 is: 22,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,377.80 : 40,541.68 = 15,949.20 : x
  2. Step 2: Convert to fraction form
    29,377.80/40,541.68 = 15,949.20/x
  3. Step 3: Cross multiply
    29,377.80x = 40,541.68 × 15,949.20
  4. Step 4: Simplify right side
    29,377.80x = 646,607,362.66
  5. Step 5: Solve for x
    x = 646,607,362.66/29,377.80
  6. Step 6: Final answer
    x = 22,010.07

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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.