Home / 25,461.27-38,173.41-17,120.57

Finding the Fourth Proportional to 25,461.27, 38,173.41 and 17,120.57

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Solution

The fourth proportional to 25,461.27, 38,173.41 and 17,120.57 is: 25,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.27 : 38,173.41 = 17,120.57 : x
  2. Step 2: Convert to fraction form
    25,461.27/38,173.41 = 17,120.57/x
  3. Step 3: Cross multiply
    25,461.27x = 38,173.41 × 17,120.57
  4. Step 4: Simplify right side
    25,461.27x = 653,550,347.18
  5. Step 5: Solve for x
    x = 653,550,347.18/25,461.27
  6. Step 6: Final answer
    x = 25,668.41

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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.