Home / 28,928.00-43,397.15-10,218.89

Finding the Fourth Proportional to 28,928.00, 43,397.15 and 10,218.89

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Solution

The fourth proportional to 28,928.00, 43,397.15 and 10,218.89 is: 15,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.00 : 43,397.15 = 10,218.89 : x
  2. Step 2: Convert to fraction form
    28,928.00/43,397.15 = 10,218.89/x
  3. Step 3: Cross multiply
    28,928.00x = 43,397.15 × 10,218.89
  4. Step 4: Simplify right side
    28,928.00x = 443,470,759.56
  5. Step 5: Solve for x
    x = 443,470,759.56/28,928.00
  6. Step 6: Final answer
    x = 15,330.15

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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.