Home / 21,036.10-29,035.78-14,750.02

Finding the Fourth Proportional to 21,036.10, 29,035.78 and 14,750.02

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Solution

The fourth proportional to 21,036.10, 29,035.78 and 14,750.02 is: 20,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.10 : 29,035.78 = 14,750.02 : x
  2. Step 2: Convert to fraction form
    21,036.10/29,035.78 = 14,750.02/x
  3. Step 3: Cross multiply
    21,036.10x = 29,035.78 × 14,750.02
  4. Step 4: Simplify right side
    21,036.10x = 428,278,335.72
  5. Step 5: Solve for x
    x = 428,278,335.72/21,036.10
  6. Step 6: Final answer
    x = 20,359.21

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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.