Home / 25,039.92-34,555.07-13,709.44

Finding the Fourth Proportional to 25,039.92, 34,555.07 and 13,709.44

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Solution

The fourth proportional to 25,039.92, 34,555.07 and 13,709.44 is: 18,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,039.92 : 34,555.07 = 13,709.44 : x
  2. Step 2: Convert to fraction form
    25,039.92/34,555.07 = 13,709.44/x
  3. Step 3: Cross multiply
    25,039.92x = 34,555.07 × 13,709.44
  4. Step 4: Simplify right side
    25,039.92x = 473,730,658.86
  5. Step 5: Solve for x
    x = 473,730,658.86/25,039.92
  6. Step 6: Final answer
    x = 18,919.02

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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.