Home / 25,448.12-38,167.84-6,728.36

Finding the Fourth Proportional to 25,448.12, 38,167.84 and 6,728.36

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Solution

The fourth proportional to 25,448.12, 38,167.84 and 6,728.36 is: 10,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.12 : 38,167.84 = 6,728.36 : x
  2. Step 2: Convert to fraction form
    25,448.12/38,167.84 = 6,728.36/x
  3. Step 3: Cross multiply
    25,448.12x = 38,167.84 × 6,728.36
  4. Step 4: Simplify right side
    25,448.12x = 256,806,967.94
  5. Step 5: Solve for x
    x = 256,806,967.94/25,448.12
  6. Step 6: Final answer
    x = 10,091.39

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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.