Home / 20,848.27-31,272.48-5,265.91

Finding the Fourth Proportional to 20,848.27, 31,272.48 and 5,265.91

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Solution

The fourth proportional to 20,848.27, 31,272.48 and 5,265.91 is: 7,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.27 : 31,272.48 = 5,265.91 : x
  2. Step 2: Convert to fraction form
    20,848.27/31,272.48 = 5,265.91/x
  3. Step 3: Cross multiply
    20,848.27x = 31,272.48 × 5,265.91
  4. Step 4: Simplify right side
    20,848.27x = 164,678,065.16
  5. Step 5: Solve for x
    x = 164,678,065.16/20,848.27
  6. Step 6: Final answer
    x = 7,898.88

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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.