Home / 25,727.78-35,498.20-15,656.07

Finding the Fourth Proportional to 25,727.78, 35,498.20 and 15,656.07

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Solution

The fourth proportional to 25,727.78, 35,498.20 and 15,656.07 is: 21,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.78 : 35,498.20 = 15,656.07 : x
  2. Step 2: Convert to fraction form
    25,727.78/35,498.20 = 15,656.07/x
  3. Step 3: Cross multiply
    25,727.78x = 35,498.20 × 15,656.07
  4. Step 4: Simplify right side
    25,727.78x = 555,762,377.49
  5. Step 5: Solve for x
    x = 555,762,377.49/25,727.78
  6. Step 6: Final answer
    x = 21,601.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.