Home / 25,277.78-37,921.12-8,633.91

Finding the Fourth Proportional to 25,277.78, 37,921.12 and 8,633.91

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Solution

The fourth proportional to 25,277.78, 37,921.12 and 8,633.91 is: 12,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,277.78 : 37,921.12 = 8,633.91 : x
  2. Step 2: Convert to fraction form
    25,277.78/37,921.12 = 8,633.91/x
  3. Step 3: Cross multiply
    25,277.78x = 37,921.12 × 8,633.91
  4. Step 4: Simplify right side
    25,277.78x = 327,407,537.18
  5. Step 5: Solve for x
    x = 327,407,537.18/25,277.78
  6. Step 6: Final answer
    x = 12,952.38

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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.