Home / 18,572.74-25,600.42-15,209.62

Finding the Fourth Proportional to 18,572.74, 25,600.42 and 15,209.62

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Solution

The fourth proportional to 18,572.74, 25,600.42 and 15,209.62 is: 20,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.74 : 25,600.42 = 15,209.62 : x
  2. Step 2: Convert to fraction form
    18,572.74/25,600.42 = 15,209.62/x
  3. Step 3: Cross multiply
    18,572.74x = 25,600.42 × 15,209.62
  4. Step 4: Simplify right side
    18,572.74x = 389,372,558.02
  5. Step 5: Solve for x
    x = 389,372,558.02/18,572.74
  6. Step 6: Final answer
    x = 20,964.74

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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.