Home / 28,293.90-42,441.21-14,452.62

Finding the Fourth Proportional to 28,293.90, 42,441.21 and 14,452.62

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Solution

The fourth proportional to 28,293.90, 42,441.21 and 14,452.62 is: 21,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.90 : 42,441.21 = 14,452.62 : x
  2. Step 2: Convert to fraction form
    28,293.90/42,441.21 = 14,452.62/x
  3. Step 3: Cross multiply
    28,293.90x = 42,441.21 × 14,452.62
  4. Step 4: Simplify right side
    28,293.90x = 613,386,680.47
  5. Step 5: Solve for x
    x = 613,386,680.47/28,293.90
  6. Step 6: Final answer
    x = 21,679.11

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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.