Home / 27,769.08-38,320.44-15,193.56

Finding the Fourth Proportional to 27,769.08, 38,320.44 and 15,193.56

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Solution

The fourth proportional to 27,769.08, 38,320.44 and 15,193.56 is: 20,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.08 : 38,320.44 = 15,193.56 : x
  2. Step 2: Convert to fraction form
    27,769.08/38,320.44 = 15,193.56/x
  3. Step 3: Cross multiply
    27,769.08x = 38,320.44 × 15,193.56
  4. Step 4: Simplify right side
    27,769.08x = 582,223,904.37
  5. Step 5: Solve for x
    x = 582,223,904.37/27,769.08
  6. Step 6: Final answer
    x = 20,966.63

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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.