Home / 27,695.37-38,218.28-15,757.59

Finding the Fourth Proportional to 27,695.37, 38,218.28 and 15,757.59

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Solution

The fourth proportional to 27,695.37, 38,218.28 and 15,757.59 is: 21,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,695.37 : 38,218.28 = 15,757.59 : x
  2. Step 2: Convert to fraction form
    27,695.37/38,218.28 = 15,757.59/x
  3. Step 3: Cross multiply
    27,695.37x = 38,218.28 × 15,757.59
  4. Step 4: Simplify right side
    27,695.37x = 602,227,986.75
  5. Step 5: Solve for x
    x = 602,227,986.75/27,695.37
  6. Step 6: Final answer
    x = 21,744.72

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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.