Home / 27,808.19-38,375.45-15,232.94

Finding the Fourth Proportional to 27,808.19, 38,375.45 and 15,232.94

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Solution

The fourth proportional to 27,808.19, 38,375.45 and 15,232.94 is: 21,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.19 : 38,375.45 = 15,232.94 : x
  2. Step 2: Convert to fraction form
    27,808.19/38,375.45 = 15,232.94/x
  3. Step 3: Cross multiply
    27,808.19x = 38,375.45 × 15,232.94
  4. Step 4: Simplify right side
    27,808.19x = 584,570,927.32
  5. Step 5: Solve for x
    x = 584,570,927.32/27,808.19
  6. Step 6: Final answer
    x = 21,021.54

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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.