Home / 27,657.84-38,184.60-18,706.80

Finding the Fourth Proportional to 27,657.84, 38,184.60 and 18,706.80

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Solution

The fourth proportional to 27,657.84, 38,184.60 and 18,706.80 is: 25,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.84 : 38,184.60 = 18,706.80 : x
  2. Step 2: Convert to fraction form
    27,657.84/38,184.60 = 18,706.80/x
  3. Step 3: Cross multiply
    27,657.84x = 38,184.60 × 18,706.80
  4. Step 4: Simplify right side
    27,657.84x = 714,311,675.28
  5. Step 5: Solve for x
    x = 714,311,675.28/27,657.84
  6. Step 6: Final answer
    x = 25,826.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.