Home / 27,844.65-38,375.37-20,278.98

Finding the Fourth Proportional to 27,844.65, 38,375.37 and 20,278.98

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Solution

The fourth proportional to 27,844.65, 38,375.37 and 20,278.98 is: 27,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,844.65 : 38,375.37 = 20,278.98 : x
  2. Step 2: Convert to fraction form
    27,844.65/38,375.37 = 20,278.98/x
  3. Step 3: Cross multiply
    27,844.65x = 38,375.37 × 20,278.98
  4. Step 4: Simplify right side
    27,844.65x = 778,213,360.72
  5. Step 5: Solve for x
    x = 778,213,360.72/27,844.65
  6. Step 6: Final answer
    x = 27,948.40

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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.