Home / 28,351.68-42,532.92-10,820.04

Finding the Fourth Proportional to 28,351.68, 42,532.92 and 10,820.04

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Solution

The fourth proportional to 28,351.68, 42,532.92 and 10,820.04 is: 16,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.68 : 42,532.92 = 10,820.04 : x
  2. Step 2: Convert to fraction form
    28,351.68/42,532.92 = 10,820.04/x
  3. Step 3: Cross multiply
    28,351.68x = 42,532.92 × 10,820.04
  4. Step 4: Simplify right side
    28,351.68x = 460,207,895.72
  5. Step 5: Solve for x
    x = 460,207,895.72/28,351.68
  6. Step 6: Final answer
    x = 16,232.12

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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.