Home / 28,126.52-42,192.20-7,350

Finding the Fourth Proportional to 28,126.52, 42,192.20 and 7,350

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Solution

The fourth proportional to 28,126.52, 42,192.20 and 7,350 is: 11,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.52 : 42,192.20 = 7,350 : x
  2. Step 2: Convert to fraction form
    28,126.52/42,192.20 = 7,350/x
  3. Step 3: Cross multiply
    28,126.52x = 42,192.20 × 7,350
  4. Step 4: Simplify right side
    28,126.52x = 310,112,670
  5. Step 5: Solve for x
    x = 310,112,670/28,126.52
  6. Step 6: Final answer
    x = 11,025.63

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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.