Home / 28,683.38-43,023.89-9,967.66

Finding the Fourth Proportional to 28,683.38, 43,023.89 and 9,967.66

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Solution

The fourth proportional to 28,683.38, 43,023.89 and 9,967.66 is: 14,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.38 : 43,023.89 = 9,967.66 : x
  2. Step 2: Convert to fraction form
    28,683.38/43,023.89 = 9,967.66/x
  3. Step 3: Cross multiply
    28,683.38x = 43,023.89 × 9,967.66
  4. Step 4: Simplify right side
    28,683.38x = 428,847,424.76
  5. Step 5: Solve for x
    x = 428,847,424.76/28,683.38
  6. Step 6: Final answer
    x = 14,951.08

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1.5x scale

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.