Home / 20,252-27,944.78-11,298.80

Finding the Fourth Proportional to 20,252, 27,944.78 and 11,298.80

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Solution

The fourth proportional to 20,252, 27,944.78 and 11,298.80 is: 15,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252 : 27,944.78 = 11,298.80 : x
  2. Step 2: Convert to fraction form
    20,252/27,944.78 = 11,298.80/x
  3. Step 3: Cross multiply
    20,252x = 27,944.78 × 11,298.80
  4. Step 4: Simplify right side
    20,252x = 315,742,480.26
  5. Step 5: Solve for x
    x = 315,742,480.26/20,252
  6. Step 6: Final answer
    x = 15,590.68

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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.