Home / 25,976.86-38,951.32-13,465.87

Finding the Fourth Proportional to 25,976.86, 38,951.32 and 13,465.87

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Solution

The fourth proportional to 25,976.86, 38,951.32 and 13,465.87 is: 20,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,976.86 : 38,951.32 = 13,465.87 : x
  2. Step 2: Convert to fraction form
    25,976.86/38,951.32 = 13,465.87/x
  3. Step 3: Cross multiply
    25,976.86x = 38,951.32 × 13,465.87
  4. Step 4: Simplify right side
    25,976.86x = 524,513,411.45
  5. Step 5: Solve for x
    x = 524,513,411.45/25,976.86
  6. Step 6: Final answer
    x = 20,191.56

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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.