Home / 27,966.36-38,593.26-15,390.84

Finding the Fourth Proportional to 27,966.36, 38,593.26 and 15,390.84

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Solution

The fourth proportional to 27,966.36, 38,593.26 and 15,390.84 is: 21,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.36 : 38,593.26 = 15,390.84 : x
  2. Step 2: Convert to fraction form
    27,966.36/38,593.26 = 15,390.84/x
  3. Step 3: Cross multiply
    27,966.36x = 38,593.26 × 15,390.84
  4. Step 4: Simplify right side
    27,966.36x = 593,982,689.74
  5. Step 5: Solve for x
    x = 593,982,689.74/27,966.36
  6. Step 6: Final answer
    x = 21,239.18

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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.