Home / 27,556.60-38,029.06-15,619.83

Finding the Fourth Proportional to 27,556.60, 38,029.06 and 15,619.83

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Solution

The fourth proportional to 27,556.60, 38,029.06 and 15,619.83 is: 21,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,556.60 : 38,029.06 = 15,619.83 : x
  2. Step 2: Convert to fraction form
    27,556.60/38,029.06 = 15,619.83/x
  3. Step 3: Cross multiply
    27,556.60x = 38,029.06 × 15,619.83
  4. Step 4: Simplify right side
    27,556.60x = 594,007,262.11
  5. Step 5: Solve for x
    x = 594,007,262.11/27,556.60
  6. Step 6: Final answer
    x = 21,555.90

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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.