Home / 22,696.20-31,326.75-15,983.82

Finding the Fourth Proportional to 22,696.20, 31,326.75 and 15,983.82

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Solution

The fourth proportional to 22,696.20, 31,326.75 and 15,983.82 is: 22,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.20 : 31,326.75 = 15,983.82 : x
  2. Step 2: Convert to fraction form
    22,696.20/31,326.75 = 15,983.82/x
  3. Step 3: Cross multiply
    22,696.20x = 31,326.75 × 15,983.82
  4. Step 4: Simplify right side
    22,696.20x = 500,721,133.19
  5. Step 5: Solve for x
    x = 500,721,133.19/22,696.20
  6. Step 6: Final answer
    x = 22,061.89

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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.