Home / 28,149.78-42,205.20-14,094.66

Finding the Fourth Proportional to 28,149.78, 42,205.20 and 14,094.66

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Solution

The fourth proportional to 28,149.78, 42,205.20 and 14,094.66 is: 21,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.78 : 42,205.20 = 14,094.66 : x
  2. Step 2: Convert to fraction form
    28,149.78/42,205.20 = 14,094.66/x
  3. Step 3: Cross multiply
    28,149.78x = 42,205.20 × 14,094.66
  4. Step 4: Simplify right side
    28,149.78x = 594,867,944.23
  5. Step 5: Solve for x
    x = 594,867,944.23/28,149.78
  6. Step 6: Final answer
    x = 21,132.24

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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.