Home / 27,659.94-38,170.64-15,084.69

Finding the Fourth Proportional to 27,659.94, 38,170.64 and 15,084.69

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Solution

The fourth proportional to 27,659.94, 38,170.64 and 15,084.69 is: 20,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.94 : 38,170.64 = 15,084.69 : x
  2. Step 2: Convert to fraction form
    27,659.94/38,170.64 = 15,084.69/x
  3. Step 3: Cross multiply
    27,659.94x = 38,170.64 × 15,084.69
  4. Step 4: Simplify right side
    27,659.94x = 575,792,166.07
  5. Step 5: Solve for x
    x = 575,792,166.07/27,659.94
  6. Step 6: Final answer
    x = 20,816.83

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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.