Home / 22,685.26-31,329.57-20,211.52

Finding the Fourth Proportional to 22,685.26, 31,329.57 and 20,211.52

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Solution

The fourth proportional to 22,685.26, 31,329.57 and 20,211.52 is: 27,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.26 : 31,329.57 = 20,211.52 : x
  2. Step 2: Convert to fraction form
    22,685.26/31,329.57 = 20,211.52/x
  3. Step 3: Cross multiply
    22,685.26x = 31,329.57 × 20,211.52
  4. Step 4: Simplify right side
    22,685.26x = 633,218,230.65
  5. Step 5: Solve for x
    x = 633,218,230.65/22,685.26
  6. Step 6: Final answer
    x = 27,913.20

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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.