Home / 28,241.18-42,335.85-9,760.22

Finding the Fourth Proportional to 28,241.18, 42,335.85 and 9,760.22

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Solution

The fourth proportional to 28,241.18, 42,335.85 and 9,760.22 is: 14,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.18 : 42,335.85 = 9,760.22 : x
  2. Step 2: Convert to fraction form
    28,241.18/42,335.85 = 9,760.22/x
  3. Step 3: Cross multiply
    28,241.18x = 42,335.85 × 9,760.22
  4. Step 4: Simplify right side
    28,241.18x = 413,207,138.67
  5. Step 5: Solve for x
    x = 413,207,138.67/28,241.18
  6. Step 6: Final answer
    x = 14,631.37

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1.5x scale

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.