Home / 28,863.08-43,301.12-10,144.42

Finding the Fourth Proportional to 28,863.08, 43,301.12 and 10,144.42

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Solution

The fourth proportional to 28,863.08, 43,301.12 and 10,144.42 is: 15,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.08 : 43,301.12 = 10,144.42 : x
  2. Step 2: Convert to fraction form
    28,863.08/43,301.12 = 10,144.42/x
  3. Step 3: Cross multiply
    28,863.08x = 43,301.12 × 10,144.42
  4. Step 4: Simplify right side
    28,863.08x = 439,264,747.75
  5. Step 5: Solve for x
    x = 439,264,747.75/28,863.08
  6. Step 6: Final answer
    x = 15,218.91

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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.