Home / 28,870.28-43,310.28-10,149.56

Finding the Fourth Proportional to 28,870.28, 43,310.28 and 10,149.56

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Solution

The fourth proportional to 28,870.28, 43,310.28 and 10,149.56 is: 15,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.28 : 43,310.28 = 10,149.56 : x
  2. Step 2: Convert to fraction form
    28,870.28/43,310.28 = 10,149.56/x
  3. Step 3: Cross multiply
    28,870.28x = 43,310.28 × 10,149.56
  4. Step 4: Simplify right side
    28,870.28x = 439,580,285.48
  5. Step 5: Solve for x
    x = 439,580,285.48/28,870.28
  6. Step 6: Final answer
    x = 15,226.05

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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.