Home / 21,293.42-31,937.70-5,709.83

Finding the Fourth Proportional to 21,293.42, 31,937.70 and 5,709.83

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Solution

The fourth proportional to 21,293.42, 31,937.70 and 5,709.83 is: 8,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.42 : 31,937.70 = 5,709.83 : x
  2. Step 2: Convert to fraction form
    21,293.42/31,937.70 = 5,709.83/x
  3. Step 3: Cross multiply
    21,293.42x = 31,937.70 × 5,709.83
  4. Step 4: Simplify right side
    21,293.42x = 182,358,837.59
  5. Step 5: Solve for x
    x = 182,358,837.59/21,293.42
  6. Step 6: Final answer
    x = 8,564.09

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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.