Home / 28,730.72-43,060.24-10,242.40

Finding the Fourth Proportional to 28,730.72, 43,060.24 and 10,242.40

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Solution

The fourth proportional to 28,730.72, 43,060.24 and 10,242.40 is: 15,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.72 : 43,060.24 = 10,242.40 : x
  2. Step 2: Convert to fraction form
    28,730.72/43,060.24 = 10,242.40/x
  3. Step 3: Cross multiply
    28,730.72x = 43,060.24 × 10,242.40
  4. Step 4: Simplify right side
    28,730.72x = 441,040,202.18
  5. Step 5: Solve for x
    x = 441,040,202.18/28,730.72
  6. Step 6: Final answer
    x = 15,350.82

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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.