Home / 27,923.40-38,534.27-15,986.70

Finding the Fourth Proportional to 27,923.40, 38,534.27 and 15,986.70

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Solution

The fourth proportional to 27,923.40, 38,534.27 and 15,986.70 is: 22,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.40 : 38,534.27 = 15,986.70 : x
  2. Step 2: Convert to fraction form
    27,923.40/38,534.27 = 15,986.70/x
  3. Step 3: Cross multiply
    27,923.40x = 38,534.27 × 15,986.70
  4. Step 4: Simplify right side
    27,923.40x = 616,035,734.28
  5. Step 5: Solve for x
    x = 616,035,734.28/27,923.40
  6. Step 6: Final answer
    x = 22,061.63

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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.