Home / 28,300.44-42,414.60-11,641.68

Finding the Fourth Proportional to 28,300.44, 42,414.60 and 11,641.68

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Solution

The fourth proportional to 28,300.44, 42,414.60 and 11,641.68 is: 17,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.44 : 42,414.60 = 11,641.68 : x
  2. Step 2: Convert to fraction form
    28,300.44/42,414.60 = 11,641.68/x
  3. Step 3: Cross multiply
    28,300.44x = 42,414.60 × 11,641.68
  4. Step 4: Simplify right side
    28,300.44x = 493,777,200.53
  5. Step 5: Solve for x
    x = 493,777,200.53/28,300.44
  6. Step 6: Final answer
    x = 17,447.69

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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.