Home / 27,102.11-40,653.16-17,865.95

Finding the Fourth Proportional to 27,102.11, 40,653.16 and 17,865.95

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Solution

The fourth proportional to 27,102.11, 40,653.16 and 17,865.95 is: 26,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.11 : 40,653.16 = 17,865.95 : x
  2. Step 2: Convert to fraction form
    27,102.11/40,653.16 = 17,865.95/x
  3. Step 3: Cross multiply
    27,102.11x = 40,653.16 × 17,865.95
  4. Step 4: Simplify right side
    27,102.11x = 726,307,323.90
  5. Step 5: Solve for x
    x = 726,307,323.90/27,102.11
  6. Step 6: Final answer
    x = 26,798.92

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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.