Home / 25,426.56-38,139.30-8,786.08

Finding the Fourth Proportional to 25,426.56, 38,139.30 and 8,786.08

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Solution

The fourth proportional to 25,426.56, 38,139.30 and 8,786.08 is: 13,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426.56 : 38,139.30 = 8,786.08 : x
  2. Step 2: Convert to fraction form
    25,426.56/38,139.30 = 8,786.08/x
  3. Step 3: Cross multiply
    25,426.56x = 38,139.30 × 8,786.08
  4. Step 4: Simplify right side
    25,426.56x = 335,094,940.94
  5. Step 5: Solve for x
    x = 335,094,940.94/25,426.56
  6. Step 6: Final answer
    x = 13,178.93

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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.