Home / 28,766.23-43,151.21-9,045.55

Finding the Fourth Proportional to 28,766.23, 43,151.21 and 9,045.55

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Solution

The fourth proportional to 28,766.23, 43,151.21 and 9,045.55 is: 13,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.23 : 43,151.21 = 9,045.55 : x
  2. Step 2: Convert to fraction form
    28,766.23/43,151.21 = 9,045.55/x
  3. Step 3: Cross multiply
    28,766.23x = 43,151.21 × 9,045.55
  4. Step 4: Simplify right side
    28,766.23x = 390,326,382.39
  5. Step 5: Solve for x
    x = 390,326,382.39/28,766.23
  6. Step 6: Final answer
    x = 13,568.91

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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.