Home / 25,731.04-38,600.80-8,863.36

Finding the Fourth Proportional to 25,731.04, 38,600.80 and 8,863.36

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Solution

The fourth proportional to 25,731.04, 38,600.80 and 8,863.36 is: 13,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.04 : 38,600.80 = 8,863.36 : x
  2. Step 2: Convert to fraction form
    25,731.04/38,600.80 = 8,863.36/x
  3. Step 3: Cross multiply
    25,731.04x = 38,600.80 × 8,863.36
  4. Step 4: Simplify right side
    25,731.04x = 342,132,786.69
  5. Step 5: Solve for x
    x = 342,132,786.69/25,731.04
  6. Step 6: Final answer
    x = 13,296.50

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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.