Home / 27,166.95-40,742.13-18,787.33

Finding the Fourth Proportional to 27,166.95, 40,742.13 and 18,787.33

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Solution

The fourth proportional to 27,166.95, 40,742.13 and 18,787.33 is: 28,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.95 : 40,742.13 = 18,787.33 : x
  2. Step 2: Convert to fraction form
    27,166.95/40,742.13 = 18,787.33/x
  3. Step 3: Cross multiply
    27,166.95x = 40,742.13 × 18,787.33
  4. Step 4: Simplify right side
    27,166.95x = 765,435,841.21
  5. Step 5: Solve for x
    x = 765,435,841.21/27,166.95
  6. Step 6: Final answer
    x = 28,175.26

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1.5x scale

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.