Home / 21,737.22-29,995.29-17,271.78

Finding the Fourth Proportional to 21,737.22, 29,995.29 and 17,271.78

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Solution

The fourth proportional to 21,737.22, 29,995.29 and 17,271.78 is: 23,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.22 : 29,995.29 = 17,271.78 : x
  2. Step 2: Convert to fraction form
    21,737.22/29,995.29 = 17,271.78/x
  3. Step 3: Cross multiply
    21,737.22x = 29,995.29 × 17,271.78
  4. Step 4: Simplify right side
    21,737.22x = 518,072,049.92
  5. Step 5: Solve for x
    x = 518,072,049.92/21,737.22
  6. Step 6: Final answer
    x = 23,833.41

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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.