Home / 29,384.04-40,549.88-15,955.20

Finding the Fourth Proportional to 29,384.04, 40,549.88 and 15,955.20

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Solution

The fourth proportional to 29,384.04, 40,549.88 and 15,955.20 is: 22,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,384.04 : 40,549.88 = 15,955.20 : x
  2. Step 2: Convert to fraction form
    29,384.04/40,549.88 = 15,955.20/x
  3. Step 3: Cross multiply
    29,384.04x = 40,549.88 × 15,955.20
  4. Step 4: Simplify right side
    29,384.04x = 646,981,445.38
  5. Step 5: Solve for x
    x = 646,981,445.38/29,384.04
  6. Step 6: Final answer
    x = 22,018.12

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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.