Home / 25,078.18-34,608.29-15,007.05

Finding the Fourth Proportional to 25,078.18, 34,608.29 and 15,007.05

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Solution

The fourth proportional to 25,078.18, 34,608.29 and 15,007.05 is: 20,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.18 : 34,608.29 = 15,007.05 : x
  2. Step 2: Convert to fraction form
    25,078.18/34,608.29 = 15,007.05/x
  3. Step 3: Cross multiply
    25,078.18x = 34,608.29 × 15,007.05
  4. Step 4: Simplify right side
    25,078.18x = 519,368,338.44
  5. Step 5: Solve for x
    x = 519,368,338.44/25,078.18
  6. Step 6: Final answer
    x = 20,709.97

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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.