Home / 28,228.12-42,344.52-14,180.92

Finding the Fourth Proportional to 28,228.12, 42,344.52 and 14,180.92

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Solution

The fourth proportional to 28,228.12, 42,344.52 and 14,180.92 is: 21,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.12 : 42,344.52 = 14,180.92 : x
  2. Step 2: Convert to fraction form
    28,228.12/42,344.52 = 14,180.92/x
  3. Step 3: Cross multiply
    28,228.12x = 42,344.52 × 14,180.92
  4. Step 4: Simplify right side
    28,228.12x = 600,484,250.56
  5. Step 5: Solve for x
    x = 600,484,250.56/28,228.12
  6. Step 6: Final answer
    x = 21,272.56

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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.