Home / 19,987.92-27,607.86-14,974.56

Finding the Fourth Proportional to 19,987.92, 27,607.86 and 14,974.56

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Solution

The fourth proportional to 19,987.92, 27,607.86 and 14,974.56 is: 20,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.92 : 27,607.86 = 14,974.56 : x
  2. Step 2: Convert to fraction form
    19,987.92/27,607.86 = 14,974.56/x
  3. Step 3: Cross multiply
    19,987.92x = 27,607.86 × 14,974.56
  4. Step 4: Simplify right side
    19,987.92x = 413,415,556.04
  5. Step 5: Solve for x
    x = 413,415,556.04/19,987.92
  6. Step 6: Final answer
    x = 20,683.27

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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.