Home / 25,673.78-38,524.22-18,225.45

Finding the Fourth Proportional to 25,673.78, 38,524.22 and 18,225.45

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Solution

The fourth proportional to 25,673.78, 38,524.22 and 18,225.45 is: 27,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.78 : 38,524.22 = 18,225.45 : x
  2. Step 2: Convert to fraction form
    25,673.78/38,524.22 = 18,225.45/x
  3. Step 3: Cross multiply
    25,673.78x = 38,524.22 × 18,225.45
  4. Step 4: Simplify right side
    25,673.78x = 702,121,245.40
  5. Step 5: Solve for x
    x = 702,121,245.40/25,673.78
  6. Step 6: Final answer
    x = 27,347.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.