Home / 25,265.86-34,867.16-13,935.85

Finding the Fourth Proportional to 25,265.86, 34,867.16 and 13,935.85

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Solution

The fourth proportional to 25,265.86, 34,867.16 and 13,935.85 is: 19,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.86 : 34,867.16 = 13,935.85 : x
  2. Step 2: Convert to fraction form
    25,265.86/34,867.16 = 13,935.85/x
  3. Step 3: Cross multiply
    25,265.86x = 34,867.16 × 13,935.85
  4. Step 4: Simplify right side
    25,265.86x = 485,903,511.69
  5. Step 5: Solve for x
    x = 485,903,511.69/25,265.86
  6. Step 6: Final answer
    x = 19,231.62

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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.