Home / 27,657.45-38,170.71-16,900.11

Finding the Fourth Proportional to 27,657.45, 38,170.71 and 16,900.11

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Solution

The fourth proportional to 27,657.45, 38,170.71 and 16,900.11 is: 23,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.45 : 38,170.71 = 16,900.11 : x
  2. Step 2: Convert to fraction form
    27,657.45/38,170.71 = 16,900.11/x
  3. Step 3: Cross multiply
    27,657.45x = 38,170.71 × 16,900.11
  4. Step 4: Simplify right side
    27,657.45x = 645,089,197.78
  5. Step 5: Solve for x
    x = 645,089,197.78/27,657.45
  6. Step 6: Final answer
    x = 23,324.25

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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.