Home / 25,532.86-35,225.68-15,837.83

Finding the Fourth Proportional to 25,532.86, 35,225.68 and 15,837.83

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Solution

The fourth proportional to 25,532.86, 35,225.68 and 15,837.83 is: 21,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,532.86 : 35,225.68 = 15,837.83 : x
  2. Step 2: Convert to fraction form
    25,532.86/35,225.68 = 15,837.83/x
  3. Step 3: Cross multiply
    25,532.86x = 35,225.68 × 15,837.83
  4. Step 4: Simplify right side
    25,532.86x = 557,898,076.16
  5. Step 5: Solve for x
    x = 557,898,076.16/25,532.86
  6. Step 6: Final answer
    x = 21,850.20

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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.