Home / 25,290.83-37,959.57-12,819.60

Finding the Fourth Proportional to 25,290.83, 37,959.57 and 12,819.60

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Solution

The fourth proportional to 25,290.83, 37,959.57 and 12,819.60 is: 19,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.83 : 37,959.57 = 12,819.60 : x
  2. Step 2: Convert to fraction form
    25,290.83/37,959.57 = 12,819.60/x
  3. Step 3: Cross multiply
    25,290.83x = 37,959.57 × 12,819.60
  4. Step 4: Simplify right side
    25,290.83x = 486,626,503.57
  5. Step 5: Solve for x
    x = 486,626,503.57/25,290.83
  6. Step 6: Final answer
    x = 19,241.22

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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.