Home / 22,625.28-31,222.86-13,192.02

Finding the Fourth Proportional to 22,625.28, 31,222.86 and 13,192.02

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Solution

The fourth proportional to 22,625.28, 31,222.86 and 13,192.02 is: 18,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.28 : 31,222.86 = 13,192.02 : x
  2. Step 2: Convert to fraction form
    22,625.28/31,222.86 = 13,192.02/x
  3. Step 3: Cross multiply
    22,625.28x = 31,222.86 × 13,192.02
  4. Step 4: Simplify right side
    22,625.28x = 411,892,593.58
  5. Step 5: Solve for x
    x = 411,892,593.58/22,625.28
  6. Step 6: Final answer
    x = 18,204.97

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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.