Home / 27,255.29-40,865.51-13,017.92

Finding the Fourth Proportional to 27,255.29, 40,865.51 and 13,017.92

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Solution

The fourth proportional to 27,255.29, 40,865.51 and 13,017.92 is: 19,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.29 : 40,865.51 = 13,017.92 : x
  2. Step 2: Convert to fraction form
    27,255.29/40,865.51 = 13,017.92/x
  3. Step 3: Cross multiply
    27,255.29x = 40,865.51 × 13,017.92
  4. Step 4: Simplify right side
    27,255.29x = 531,983,768.16
  5. Step 5: Solve for x
    x = 531,983,768.16/27,255.29
  6. Step 6: Final answer
    x = 19,518.55

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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.