Home / 21,027.53-31,545.81-6,237.47

Finding the Fourth Proportional to 21,027.53, 31,545.81 and 6,237.47

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Solution

The fourth proportional to 21,027.53, 31,545.81 and 6,237.47 is: 9,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.53 : 31,545.81 = 6,237.47 : x
  2. Step 2: Convert to fraction form
    21,027.53/31,545.81 = 6,237.47/x
  3. Step 3: Cross multiply
    21,027.53x = 31,545.81 × 6,237.47
  4. Step 4: Simplify right side
    21,027.53x = 196,766,043.50
  5. Step 5: Solve for x
    x = 196,766,043.50/21,027.53
  6. Step 6: Final answer
    x = 9,357.54

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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.