Home / 27,713.62-38,243.37-15,135.94

Finding the Fourth Proportional to 27,713.62, 38,243.37 and 15,135.94

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Solution

The fourth proportional to 27,713.62, 38,243.37 and 15,135.94 is: 20,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713.62 : 38,243.37 = 15,135.94 : x
  2. Step 2: Convert to fraction form
    27,713.62/38,243.37 = 15,135.94/x
  3. Step 3: Cross multiply
    27,713.62x = 38,243.37 × 15,135.94
  4. Step 4: Simplify right side
    27,713.62x = 578,849,353.72
  5. Step 5: Solve for x
    x = 578,849,353.72/27,713.62
  6. Step 6: Final answer
    x = 20,886.82

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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.