Home / 27,021.24-40,477.52-13,471.53

Finding the Fourth Proportional to 27,021.24, 40,477.52 and 13,471.53

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Solution

The fourth proportional to 27,021.24, 40,477.52 and 13,471.53 is: 20,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.24 : 40,477.52 = 13,471.53 : x
  2. Step 2: Convert to fraction form
    27,021.24/40,477.52 = 13,471.53/x
  3. Step 3: Cross multiply
    27,021.24x = 40,477.52 × 13,471.53
  4. Step 4: Simplify right side
    27,021.24x = 545,294,057.65
  5. Step 5: Solve for x
    x = 545,294,057.65/27,021.24
  6. Step 6: Final answer
    x = 20,180.20

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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.