Home / 27,742.36-38,259.50-18,320.44

Finding the Fourth Proportional to 27,742.36, 38,259.50 and 18,320.44

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Solution

The fourth proportional to 27,742.36, 38,259.50 and 18,320.44 is: 25,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.36 : 38,259.50 = 18,320.44 : x
  2. Step 2: Convert to fraction form
    27,742.36/38,259.50 = 18,320.44/x
  3. Step 3: Cross multiply
    27,742.36x = 38,259.50 × 18,320.44
  4. Step 4: Simplify right side
    27,742.36x = 700,930,874.18
  5. Step 5: Solve for x
    x = 700,930,874.18/27,742.36
  6. Step 6: Final answer
    x = 25,265.73

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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.