Home / 21,014.72-29,042.12-17,232.02

Finding the Fourth Proportional to 21,014.72, 29,042.12 and 17,232.02

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Solution

The fourth proportional to 21,014.72, 29,042.12 and 17,232.02 is: 23,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.72 : 29,042.12 = 17,232.02 : x
  2. Step 2: Convert to fraction form
    21,014.72/29,042.12 = 17,232.02/x
  3. Step 3: Cross multiply
    21,014.72x = 29,042.12 × 17,232.02
  4. Step 4: Simplify right side
    21,014.72x = 500,454,306.52
  5. Step 5: Solve for x
    x = 500,454,306.52/21,014.72
  6. Step 6: Final answer
    x = 23,814.46

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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.