Home / 28,162.76-42,244.14-8,441.31

Finding the Fourth Proportional to 28,162.76, 42,244.14 and 8,441.31

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Solution

The fourth proportional to 28,162.76, 42,244.14 and 8,441.31 is: 12,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162.76 : 42,244.14 = 8,441.31 : x
  2. Step 2: Convert to fraction form
    28,162.76/42,244.14 = 8,441.31/x
  3. Step 3: Cross multiply
    28,162.76x = 42,244.14 × 8,441.31
  4. Step 4: Simplify right side
    28,162.76x = 356,595,881.42
  5. Step 5: Solve for x
    x = 356,595,881.42/28,162.76
  6. Step 6: Final answer
    x = 12,661.97

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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.