Home / 25,678.86-38,492.77-17,871.27

Finding the Fourth Proportional to 25,678.86, 38,492.77 and 17,871.27

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Solution

The fourth proportional to 25,678.86, 38,492.77 and 17,871.27 is: 26,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678.86 : 38,492.77 = 17,871.27 : x
  2. Step 2: Convert to fraction form
    25,678.86/38,492.77 = 17,871.27/x
  3. Step 3: Cross multiply
    25,678.86x = 38,492.77 × 17,871.27
  4. Step 4: Simplify right side
    25,678.86x = 687,914,685.72
  5. Step 5: Solve for x
    x = 687,914,685.72/25,678.86
  6. Step 6: Final answer
    x = 26,789.14

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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.