Home / 28,233.80-42,354.73-9,254.38

Finding the Fourth Proportional to 28,233.80, 42,354.73 and 9,254.38

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Solution

The fourth proportional to 28,233.80, 42,354.73 and 9,254.38 is: 13,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.80 : 42,354.73 = 9,254.38 : x
  2. Step 2: Convert to fraction form
    28,233.80/42,354.73 = 9,254.38/x
  3. Step 3: Cross multiply
    28,233.80x = 42,354.73 × 9,254.38
  4. Step 4: Simplify right side
    28,233.80x = 391,966,554.44
  5. Step 5: Solve for x
    x = 391,966,554.44/28,233.80
  6. Step 6: Final answer
    x = 13,882.88

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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.