Home / 27,680.84-41,535.84-12,109.40

Finding the Fourth Proportional to 27,680.84, 41,535.84 and 12,109.40

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Solution

The fourth proportional to 27,680.84, 41,535.84 and 12,109.40 is: 18,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.84 : 41,535.84 = 12,109.40 : x
  2. Step 2: Convert to fraction form
    27,680.84/41,535.84 = 12,109.40/x
  3. Step 3: Cross multiply
    27,680.84x = 41,535.84 × 12,109.40
  4. Step 4: Simplify right side
    27,680.84x = 502,974,100.90
  5. Step 5: Solve for x
    x = 502,974,100.90/27,680.84
  6. Step 6: Final answer
    x = 18,170.48

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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.