Home / 25,760.70-38,643.66-8,891.51

Finding the Fourth Proportional to 25,760.70, 38,643.66 and 8,891.51

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Solution

The fourth proportional to 25,760.70, 38,643.66 and 8,891.51 is: 13,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.70 : 38,643.66 = 8,891.51 : x
  2. Step 2: Convert to fraction form
    25,760.70/38,643.66 = 8,891.51/x
  3. Step 3: Cross multiply
    25,760.70x = 38,643.66 × 8,891.51
  4. Step 4: Simplify right side
    25,760.70x = 343,600,392.72
  5. Step 5: Solve for x
    x = 343,600,392.72/25,760.70
  6. Step 6: Final answer
    x = 13,338.16

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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.