Home / 26,849.61-40,264.83-10,205.21

Finding the Fourth Proportional to 26,849.61, 40,264.83 and 10,205.21

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Solution

The fourth proportional to 26,849.61, 40,264.83 and 10,205.21 is: 15,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.61 : 40,264.83 = 10,205.21 : x
  2. Step 2: Convert to fraction form
    26,849.61/40,264.83 = 10,205.21/x
  3. Step 3: Cross multiply
    26,849.61x = 40,264.83 × 10,205.21
  4. Step 4: Simplify right side
    26,849.61x = 410,911,146.43
  5. Step 5: Solve for x
    x = 410,911,146.43/26,849.61
  6. Step 6: Final answer
    x = 15,304.18

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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.