Home / 25,422.50-38,073.76-12,911.49

Finding the Fourth Proportional to 25,422.50, 38,073.76 and 12,911.49

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Solution

The fourth proportional to 25,422.50, 38,073.76 and 12,911.49 is: 19,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.50 : 38,073.76 = 12,911.49 : x
  2. Step 2: Convert to fraction form
    25,422.50/38,073.76 = 12,911.49/x
  3. Step 3: Cross multiply
    25,422.50x = 38,073.76 × 12,911.49
  4. Step 4: Simplify right side
    25,422.50x = 491,588,939.22
  5. Step 5: Solve for x
    x = 491,588,939.22/25,422.50
  6. Step 6: Final answer
    x = 19,336.76

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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.