Home / 27,999.06-42,008.82-13,013.10

Finding the Fourth Proportional to 27,999.06, 42,008.82 and 13,013.10

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Solution

The fourth proportional to 27,999.06, 42,008.82 and 13,013.10 is: 19,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.06 : 42,008.82 = 13,013.10 : x
  2. Step 2: Convert to fraction form
    27,999.06/42,008.82 = 13,013.10/x
  3. Step 3: Cross multiply
    27,999.06x = 42,008.82 × 13,013.10
  4. Step 4: Simplify right side
    27,999.06x = 546,664,975.54
  5. Step 5: Solve for x
    x = 546,664,975.54/27,999.06
  6. Step 6: Final answer
    x = 19,524.40

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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.