Home / 28,807.25-43,218.17-8,030.75

Finding the Fourth Proportional to 28,807.25, 43,218.17 and 8,030.75

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Solution

The fourth proportional to 28,807.25, 43,218.17 and 8,030.75 is: 12,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.25 : 43,218.17 = 8,030.75 : x
  2. Step 2: Convert to fraction form
    28,807.25/43,218.17 = 8,030.75/x
  3. Step 3: Cross multiply
    28,807.25x = 43,218.17 × 8,030.75
  4. Step 4: Simplify right side
    28,807.25x = 347,074,278.57
  5. Step 5: Solve for x
    x = 347,074,278.57/28,807.25
  6. Step 6: Final answer
    x = 12,048.16

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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.