Home / 20,059.08-30,132.15-15,685.08

Finding the Fourth Proportional to 20,059.08, 30,132.15 and 15,685.08

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Solution

The fourth proportional to 20,059.08, 30,132.15 and 15,685.08 is: 23,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.08 : 30,132.15 = 15,685.08 : x
  2. Step 2: Convert to fraction form
    20,059.08/30,132.15 = 15,685.08/x
  3. Step 3: Cross multiply
    20,059.08x = 30,132.15 × 15,685.08
  4. Step 4: Simplify right side
    20,059.08x = 472,625,183.32
  5. Step 5: Solve for x
    x = 472,625,183.32/20,059.08
  6. Step 6: Final answer
    x = 23,561.66

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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.