Home / 28,013.34-42,019.16-11,372.97

Finding the Fourth Proportional to 28,013.34, 42,019.16 and 11,372.97

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Solution

The fourth proportional to 28,013.34, 42,019.16 and 11,372.97 is: 17,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.34 : 42,019.16 = 11,372.97 : x
  2. Step 2: Convert to fraction form
    28,013.34/42,019.16 = 11,372.97/x
  3. Step 3: Cross multiply
    28,013.34x = 42,019.16 × 11,372.97
  4. Step 4: Simplify right side
    28,013.34x = 477,882,589.24
  5. Step 5: Solve for x
    x = 477,882,589.24/28,013.34
  6. Step 6: Final answer
    x = 17,059.11

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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.