Home / 25,453.91-35,168.66-20,117.27

Finding the Fourth Proportional to 25,453.91, 35,168.66 and 20,117.27

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Solution

The fourth proportional to 25,453.91, 35,168.66 and 20,117.27 is: 27,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.91 : 35,168.66 = 20,117.27 : x
  2. Step 2: Convert to fraction form
    25,453.91/35,168.66 = 20,117.27/x
  3. Step 3: Cross multiply
    25,453.91x = 35,168.66 × 20,117.27
  4. Step 4: Simplify right side
    25,453.91x = 707,497,152.33
  5. Step 5: Solve for x
    x = 707,497,152.33/25,453.91
  6. Step 6: Final answer
    x = 27,795.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.