Home / 28,162.74-42,245.70-9,442.02

Finding the Fourth Proportional to 28,162.74, 42,245.70 and 9,442.02

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Solution

The fourth proportional to 28,162.74, 42,245.70 and 9,442.02 is: 14,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162.74 : 42,245.70 = 9,442.02 : x
  2. Step 2: Convert to fraction form
    28,162.74/42,245.70 = 9,442.02/x
  3. Step 3: Cross multiply
    28,162.74x = 42,245.70 × 9,442.02
  4. Step 4: Simplify right side
    28,162.74x = 398,884,744.31
  5. Step 5: Solve for x
    x = 398,884,744.31/28,162.74
  6. Step 6: Final answer
    x = 14,163.56

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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.