Home / 27,483.47-41,231.25-15,642.81

Finding the Fourth Proportional to 27,483.47, 41,231.25 and 15,642.81

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Solution

The fourth proportional to 27,483.47, 41,231.25 and 15,642.81 is: 23,467.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483.47 : 41,231.25 = 15,642.81 : x
  2. Step 2: Convert to fraction form
    27,483.47/41,231.25 = 15,642.81/x
  3. Step 3: Cross multiply
    27,483.47x = 41,231.25 × 15,642.81
  4. Step 4: Simplify right side
    27,483.47x = 644,972,499.61
  5. Step 5: Solve for x
    x = 644,972,499.61/27,483.47
  6. Step 6: Final answer
    x = 23,467.66

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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.