Home / 25,723.36-38,579.20-7,256.80

Finding the Fourth Proportional to 25,723.36, 38,579.20 and 7,256.80

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Solution

The fourth proportional to 25,723.36, 38,579.20 and 7,256.80 is: 10,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.36 : 38,579.20 = 7,256.80 : x
  2. Step 2: Convert to fraction form
    25,723.36/38,579.20 = 7,256.80/x
  3. Step 3: Cross multiply
    25,723.36x = 38,579.20 × 7,256.80
  4. Step 4: Simplify right side
    25,723.36x = 279,961,538.56
  5. Step 5: Solve for x
    x = 279,961,538.56/25,723.36
  6. Step 6: Final answer
    x = 10,883.55

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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.