Home / 27,221.36-40,814.02-13,153.52

Finding the Fourth Proportional to 27,221.36, 40,814.02 and 13,153.52

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Solution

The fourth proportional to 27,221.36, 40,814.02 and 13,153.52 is: 19,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.36 : 40,814.02 = 13,153.52 : x
  2. Step 2: Convert to fraction form
    27,221.36/40,814.02 = 13,153.52/x
  3. Step 3: Cross multiply
    27,221.36x = 40,814.02 × 13,153.52
  4. Step 4: Simplify right side
    27,221.36x = 536,848,028.35
  5. Step 5: Solve for x
    x = 536,848,028.35/27,221.36
  6. Step 6: Final answer
    x = 19,721.57

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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.