Home / 40,228.20-60,371.10-16,871.40

Finding the Fourth Proportional to 40,228.20, 60,371.10 and 16,871.40

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Solution

The fourth proportional to 40,228.20, 60,371.10 and 16,871.40 is: 25,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.20 : 60,371.10 = 16,871.40 : x
  2. Step 2: Convert to fraction form
    40,228.20/60,371.10 = 16,871.40/x
  3. Step 3: Cross multiply
    40,228.20x = 60,371.10 × 16,871.40
  4. Step 4: Simplify right side
    40,228.20x = 1,018,544,976.54
  5. Step 5: Solve for x
    x = 1,018,544,976.54/40,228.20
  6. Step 6: Final answer
    x = 25,319.18

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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.