Home / 27,808.07-38,376.11-15,232.82

Finding the Fourth Proportional to 27,808.07, 38,376.11 and 15,232.82

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Solution

The fourth proportional to 27,808.07, 38,376.11 and 15,232.82 is: 21,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.07 : 38,376.11 = 15,232.82 : x
  2. Step 2: Convert to fraction form
    27,808.07/38,376.11 = 15,232.82/x
  3. Step 3: Cross multiply
    27,808.07x = 38,376.11 × 15,232.82
  4. Step 4: Simplify right side
    27,808.07x = 584,576,222.13
  5. Step 5: Solve for x
    x = 584,576,222.13/27,808.07
  6. Step 6: Final answer
    x = 21,021.82

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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.