Home / 27,766.32-38,316.87-17,015.40

Finding the Fourth Proportional to 27,766.32, 38,316.87 and 17,015.40

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Solution

The fourth proportional to 27,766.32, 38,316.87 and 17,015.40 is: 23,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.32 : 38,316.87 = 17,015.40 : x
  2. Step 2: Convert to fraction form
    27,766.32/38,316.87 = 17,015.40/x
  3. Step 3: Cross multiply
    27,766.32x = 38,316.87 × 17,015.40
  4. Step 4: Simplify right side
    27,766.32x = 651,976,869.80
  5. Step 5: Solve for x
    x = 651,976,869.80/27,766.32
  6. Step 6: Final answer
    x = 23,480.85

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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.