Home / 25,390.38-35,041.86-15,324.60

Finding the Fourth Proportional to 25,390.38, 35,041.86 and 15,324.60

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Solution

The fourth proportional to 25,390.38, 35,041.86 and 15,324.60 is: 21,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.38 : 35,041.86 = 15,324.60 : x
  2. Step 2: Convert to fraction form
    25,390.38/35,041.86 = 15,324.60/x
  3. Step 3: Cross multiply
    25,390.38x = 35,041.86 × 15,324.60
  4. Step 4: Simplify right side
    25,390.38x = 537,002,487.76
  5. Step 5: Solve for x
    x = 537,002,487.76/25,390.38
  6. Step 6: Final answer
    x = 21,149.84

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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.