Home / 25,613.21-38,401.16-17,272.51

Finding the Fourth Proportional to 25,613.21, 38,401.16 and 17,272.51

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Solution

The fourth proportional to 25,613.21, 38,401.16 and 17,272.51 is: 25,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.21 : 38,401.16 = 17,272.51 : x
  2. Step 2: Convert to fraction form
    25,613.21/38,401.16 = 17,272.51/x
  3. Step 3: Cross multiply
    25,613.21x = 38,401.16 × 17,272.51
  4. Step 4: Simplify right side
    25,613.21x = 663,284,237.75
  5. Step 5: Solve for x
    x = 663,284,237.75/25,613.21
  6. Step 6: Final answer
    x = 25,896.18

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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.