Home / 27,589.70-38,081.81-18,031.03

Finding the Fourth Proportional to 27,589.70, 38,081.81 and 18,031.03

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Solution

The fourth proportional to 27,589.70, 38,081.81 and 18,031.03 is: 24,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.70 : 38,081.81 = 18,031.03 : x
  2. Step 2: Convert to fraction form
    27,589.70/38,081.81 = 18,031.03/x
  3. Step 3: Cross multiply
    27,589.70x = 38,081.81 × 18,031.03
  4. Step 4: Simplify right side
    27,589.70x = 686,654,208.44
  5. Step 5: Solve for x
    x = 686,654,208.44/27,589.70
  6. Step 6: Final answer
    x = 24,888.06

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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.