Home / 27,905.44-38,511.92-15,332.60

Finding the Fourth Proportional to 27,905.44, 38,511.92 and 15,332.60

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Solution

The fourth proportional to 27,905.44, 38,511.92 and 15,332.60 is: 21,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.44 : 38,511.92 = 15,332.60 : x
  2. Step 2: Convert to fraction form
    27,905.44/38,511.92 = 15,332.60/x
  3. Step 3: Cross multiply
    27,905.44x = 38,511.92 × 15,332.60
  4. Step 4: Simplify right side
    27,905.44x = 590,487,864.59
  5. Step 5: Solve for x
    x = 590,487,864.59/27,905.44
  6. Step 6: Final answer
    x = 21,160.31

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1.5x scale

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.