Home / 28,951.66-39,886.59-22,229.74

Finding the Fourth Proportional to 28,951.66, 39,886.59 and 22,229.74

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Solution

The fourth proportional to 28,951.66, 39,886.59 and 22,229.74 is: 30,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.66 : 39,886.59 = 22,229.74 : x
  2. Step 2: Convert to fraction form
    28,951.66/39,886.59 = 22,229.74/x
  3. Step 3: Cross multiply
    28,951.66x = 39,886.59 × 22,229.74
  4. Step 4: Simplify right side
    28,951.66x = 886,668,525.19
  5. Step 5: Solve for x
    x = 886,668,525.19/28,951.66
  6. Step 6: Final answer
    x = 30,625.83

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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.