Home / 25,411.90-38,110.94-10,617.72

Finding the Fourth Proportional to 25,411.90, 38,110.94 and 10,617.72

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Solution

The fourth proportional to 25,411.90, 38,110.94 and 10,617.72 is: 15,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.90 : 38,110.94 = 10,617.72 : x
  2. Step 2: Convert to fraction form
    25,411.90/38,110.94 = 10,617.72/x
  3. Step 3: Cross multiply
    25,411.90x = 38,110.94 × 10,617.72
  4. Step 4: Simplify right side
    25,411.90x = 404,651,289.86
  5. Step 5: Solve for x
    x = 404,651,289.86/25,411.90
  6. Step 6: Final answer
    x = 15,923.69

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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.