Home / 28,939.12-43,422.18-10,233.32

Finding the Fourth Proportional to 28,939.12, 43,422.18 and 10,233.32

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Solution

The fourth proportional to 28,939.12, 43,422.18 and 10,233.32 is: 15,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.12 : 43,422.18 = 10,233.32 : x
  2. Step 2: Convert to fraction form
    28,939.12/43,422.18 = 10,233.32/x
  3. Step 3: Cross multiply
    28,939.12x = 43,422.18 × 10,233.32
  4. Step 4: Simplify right side
    28,939.12x = 444,353,063.04
  5. Step 5: Solve for x
    x = 444,353,063.04/28,939.12
  6. Step 6: Final answer
    x = 15,354.75

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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.