Home / 28,722.08-43,083.14-9,002.18

Finding the Fourth Proportional to 28,722.08, 43,083.14 and 9,002.18

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Solution

The fourth proportional to 28,722.08, 43,083.14 and 9,002.18 is: 13,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.08 : 43,083.14 = 9,002.18 : x
  2. Step 2: Convert to fraction form
    28,722.08/43,083.14 = 9,002.18/x
  3. Step 3: Cross multiply
    28,722.08x = 43,083.14 × 9,002.18
  4. Step 4: Simplify right side
    28,722.08x = 387,842,181.25
  5. Step 5: Solve for x
    x = 387,842,181.25/28,722.08
  6. Step 6: Final answer
    x = 13,503.28

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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.