Home / 19,984.77-27,579.66-11,488.47

Finding the Fourth Proportional to 19,984.77, 27,579.66 and 11,488.47

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Solution

The fourth proportional to 19,984.77, 27,579.66 and 11,488.47 is: 15,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.77 : 27,579.66 = 11,488.47 : x
  2. Step 2: Convert to fraction form
    19,984.77/27,579.66 = 11,488.47/x
  3. Step 3: Cross multiply
    19,984.77x = 27,579.66 × 11,488.47
  4. Step 4: Simplify right side
    19,984.77x = 316,848,096.52
  5. Step 5: Solve for x
    x = 316,848,096.52/19,984.77
  6. Step 6: Final answer
    x = 15,854.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.