Home / 25,846.62-38,718.90-20,272.20

Finding the Fourth Proportional to 25,846.62, 38,718.90 and 20,272.20

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Solution

The fourth proportional to 25,846.62, 38,718.90 and 20,272.20 is: 30,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,846.62 : 38,718.90 = 20,272.20 : x
  2. Step 2: Convert to fraction form
    25,846.62/38,718.90 = 20,272.20/x
  3. Step 3: Cross multiply
    25,846.62x = 38,718.90 × 20,272.20
  4. Step 4: Simplify right side
    25,846.62x = 784,917,284.58
  5. Step 5: Solve for x
    x = 784,917,284.58/25,846.62
  6. Step 6: Final answer
    x = 30,368.28

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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.