Home / 28,050.60-42,092.10-10,522.20

Finding the Fourth Proportional to 28,050.60, 42,092.10 and 10,522.20

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Solution

The fourth proportional to 28,050.60, 42,092.10 and 10,522.20 is: 15,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.60 : 42,092.10 = 10,522.20 : x
  2. Step 2: Convert to fraction form
    28,050.60/42,092.10 = 10,522.20/x
  3. Step 3: Cross multiply
    28,050.60x = 42,092.10 × 10,522.20
  4. Step 4: Simplify right side
    28,050.60x = 442,901,494.62
  5. Step 5: Solve for x
    x = 442,901,494.62/28,050.60
  6. Step 6: Final answer
    x = 15,789.38

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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.