Home / 28,822.48-43,233.68-9,102.72

Finding the Fourth Proportional to 28,822.48, 43,233.68 and 9,102.72

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Solution

The fourth proportional to 28,822.48, 43,233.68 and 9,102.72 is: 13,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.48 : 43,233.68 = 9,102.72 : x
  2. Step 2: Convert to fraction form
    28,822.48/43,233.68 = 9,102.72/x
  3. Step 3: Cross multiply
    28,822.48x = 43,233.68 × 9,102.72
  4. Step 4: Simplify right side
    28,822.48x = 393,544,083.61
  5. Step 5: Solve for x
    x = 393,544,083.61/28,822.48
  6. Step 6: Final answer
    x = 13,654.07

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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.