Home / 25,819.20-35,637.48-15,212.16

Finding the Fourth Proportional to 25,819.20, 35,637.48 and 15,212.16

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Solution

The fourth proportional to 25,819.20, 35,637.48 and 15,212.16 is: 20,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.20 : 35,637.48 = 15,212.16 : x
  2. Step 2: Convert to fraction form
    25,819.20/35,637.48 = 15,212.16/x
  3. Step 3: Cross multiply
    25,819.20x = 35,637.48 × 15,212.16
  4. Step 4: Simplify right side
    25,819.20x = 542,123,047.76
  5. Step 5: Solve for x
    x = 542,123,047.76/25,819.20
  6. Step 6: Final answer
    x = 20,996.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.