Home / 27,816.06-38,365.83-20,264.70

Finding the Fourth Proportional to 27,816.06, 38,365.83 and 20,264.70

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Solution

The fourth proportional to 27,816.06, 38,365.83 and 20,264.70 is: 27,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.06 : 38,365.83 = 20,264.70 : x
  2. Step 2: Convert to fraction form
    27,816.06/38,365.83 = 20,264.70/x
  3. Step 3: Cross multiply
    27,816.06x = 38,365.83 × 20,264.70
  4. Step 4: Simplify right side
    27,816.06x = 777,472,035.20
  5. Step 5: Solve for x
    x = 777,472,035.20/27,816.06
  6. Step 6: Final answer
    x = 27,950.47

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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.