Home / 28,154.25-42,231.92-10,632.33

Finding the Fourth Proportional to 28,154.25, 42,231.92 and 10,632.33

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Solution

The fourth proportional to 28,154.25, 42,231.92 and 10,632.33 is: 15,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.25 : 42,231.92 = 10,632.33 : x
  2. Step 2: Convert to fraction form
    28,154.25/42,231.92 = 10,632.33/x
  3. Step 3: Cross multiply
    28,154.25x = 42,231.92 × 10,632.33
  4. Step 4: Simplify right side
    28,154.25x = 449,023,656.81
  5. Step 5: Solve for x
    x = 449,023,656.81/28,154.25
  6. Step 6: Final answer
    x = 15,948.70

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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.