Home / 28,227.14-42,343.55-7,450.64

Finding the Fourth Proportional to 28,227.14, 42,343.55 and 7,450.64

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Solution

The fourth proportional to 28,227.14, 42,343.55 and 7,450.64 is: 11,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.14 : 42,343.55 = 7,450.64 : x
  2. Step 2: Convert to fraction form
    28,227.14/42,343.55 = 7,450.64/x
  3. Step 3: Cross multiply
    28,227.14x = 42,343.55 × 7,450.64
  4. Step 4: Simplify right side
    28,227.14x = 315,486,298.40
  5. Step 5: Solve for x
    x = 315,486,298.40/28,227.14
  6. Step 6: Final answer
    x = 11,176.70

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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.