Home / 25,671.22-38,516.37-15,696.40

Finding the Fourth Proportional to 25,671.22, 38,516.37 and 15,696.40

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Solution

The fourth proportional to 25,671.22, 38,516.37 and 15,696.40 is: 23,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.22 : 38,516.37 = 15,696.40 : x
  2. Step 2: Convert to fraction form
    25,671.22/38,516.37 = 15,696.40/x
  3. Step 3: Cross multiply
    25,671.22x = 38,516.37 × 15,696.40
  4. Step 4: Simplify right side
    25,671.22x = 604,568,350.07
  5. Step 5: Solve for x
    x = 604,568,350.07/25,671.22
  6. Step 6: Final answer
    x = 23,550.43

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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.