Home / 27,796.52-38,358.81-15,221.27

Finding the Fourth Proportional to 27,796.52, 38,358.81 and 15,221.27

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Solution

The fourth proportional to 27,796.52, 38,358.81 and 15,221.27 is: 21,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.52 : 38,358.81 = 15,221.27 : x
  2. Step 2: Convert to fraction form
    27,796.52/38,358.81 = 15,221.27/x
  3. Step 3: Cross multiply
    27,796.52x = 38,358.81 × 15,221.27
  4. Step 4: Simplify right side
    27,796.52x = 583,869,803.89
  5. Step 5: Solve for x
    x = 583,869,803.89/27,796.52
  6. Step 6: Final answer
    x = 21,005.14

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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.