Home / 28,722.57-43,083.87-9,002.68

Finding the Fourth Proportional to 28,722.57, 43,083.87 and 9,002.68

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Solution

The fourth proportional to 28,722.57, 43,083.87 and 9,002.68 is: 13,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.57 : 43,083.87 = 9,002.68 : x
  2. Step 2: Convert to fraction form
    28,722.57/43,083.87 = 9,002.68/x
  3. Step 3: Cross multiply
    28,722.57x = 43,083.87 × 9,002.68
  4. Step 4: Simplify right side
    28,722.57x = 387,870,294.77
  5. Step 5: Solve for x
    x = 387,870,294.77/28,722.57
  6. Step 6: Final answer
    x = 13,504.02

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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.