Home / 21,145.52-29,114.37-17,952.19

Finding the Fourth Proportional to 21,145.52, 29,114.37 and 17,952.19

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Solution

The fourth proportional to 21,145.52, 29,114.37 and 17,952.19 is: 24,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,145.52 : 29,114.37 = 17,952.19 : x
  2. Step 2: Convert to fraction form
    21,145.52/29,114.37 = 17,952.19/x
  3. Step 3: Cross multiply
    21,145.52x = 29,114.37 × 17,952.19
  4. Step 4: Simplify right side
    21,145.52x = 522,666,701.97
  5. Step 5: Solve for x
    x = 522,666,701.97/21,145.52
  6. Step 6: Final answer
    x = 24,717.61

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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.