Home / 27,823.97-38,398.46-15,561.06

Finding the Fourth Proportional to 27,823.97, 38,398.46 and 15,561.06

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Solution

The fourth proportional to 27,823.97, 38,398.46 and 15,561.06 is: 21,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.97 : 38,398.46 = 15,561.06 : x
  2. Step 2: Convert to fraction form
    27,823.97/38,398.46 = 15,561.06/x
  3. Step 3: Cross multiply
    27,823.97x = 38,398.46 × 15,561.06
  4. Step 4: Simplify right side
    27,823.97x = 597,520,734.16
  5. Step 5: Solve for x
    x = 597,520,734.16/27,823.97
  6. Step 6: Final answer
    x = 21,475.03

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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.