Home / 25,845.26-38,717.40-12,317.18

Finding the Fourth Proportional to 25,845.26, 38,717.40 and 12,317.18

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Solution

The fourth proportional to 25,845.26, 38,717.40 and 12,317.18 is: 18,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.26 : 38,717.40 = 12,317.18 : x
  2. Step 2: Convert to fraction form
    25,845.26/38,717.40 = 12,317.18/x
  3. Step 3: Cross multiply
    25,845.26x = 38,717.40 × 12,317.18
  4. Step 4: Simplify right side
    25,845.26x = 476,889,184.93
  5. Step 5: Solve for x
    x = 476,889,184.93/25,845.26
  6. Step 6: Final answer
    x = 18,451.71

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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.