Home / 20,182.65-30,275.49-5,391.24

Finding the Fourth Proportional to 20,182.65, 30,275.49 and 5,391.24

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Solution

The fourth proportional to 20,182.65, 30,275.49 and 5,391.24 is: 8,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.65 : 30,275.49 = 5,391.24 : x
  2. Step 2: Convert to fraction form
    20,182.65/30,275.49 = 5,391.24/x
  3. Step 3: Cross multiply
    20,182.65x = 30,275.49 × 5,391.24
  4. Step 4: Simplify right side
    20,182.65x = 163,222,432.71
  5. Step 5: Solve for x
    x = 163,222,432.71/20,182.65
  6. Step 6: Final answer
    x = 8,087.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.