Home / 27,999.08-42,008.82-13,013.12

Finding the Fourth Proportional to 27,999.08, 42,008.82 and 13,013.12

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Solution

The fourth proportional to 27,999.08, 42,008.82 and 13,013.12 is: 19,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.08 : 42,008.82 = 13,013.12 : x
  2. Step 2: Convert to fraction form
    27,999.08/42,008.82 = 13,013.12/x
  3. Step 3: Cross multiply
    27,999.08x = 42,008.82 × 13,013.12
  4. Step 4: Simplify right side
    27,999.08x = 546,665,815.72
  5. Step 5: Solve for x
    x = 546,665,815.72/27,999.08
  6. Step 6: Final answer
    x = 19,524.42

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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.