Home / 28,593.60-42,839.20-25,316.80

Finding the Fourth Proportional to 28,593.60, 42,839.20 and 25,316.80

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Solution

The fourth proportional to 28,593.60, 42,839.20 and 25,316.80 is: 37,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.60 : 42,839.20 = 25,316.80 : x
  2. Step 2: Convert to fraction form
    28,593.60/42,839.20 = 25,316.80/x
  3. Step 3: Cross multiply
    28,593.60x = 42,839.20 × 25,316.80
  4. Step 4: Simplify right side
    28,593.60x = 1,084,551,458.56
  5. Step 5: Solve for x
    x = 1,084,551,458.56/28,593.60
  6. Step 6: Final answer
    x = 37,929.87

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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.