Home / 29,244.78-40,357.90-15,816.11

Finding the Fourth Proportional to 29,244.78, 40,357.90 and 15,816.11

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Solution

The fourth proportional to 29,244.78, 40,357.90 and 15,816.11 is: 21,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,244.78 : 40,357.90 = 15,816.11 : x
  2. Step 2: Convert to fraction form
    29,244.78/40,357.90 = 15,816.11/x
  3. Step 3: Cross multiply
    29,244.78x = 40,357.90 × 15,816.11
  4. Step 4: Simplify right side
    29,244.78x = 638,304,941.80
  5. Step 5: Solve for x
    x = 638,304,941.80/29,244.78
  6. Step 6: Final answer
    x = 21,826.28

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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.