Home / 19,932.83-27,506.23-10,978.59

Finding the Fourth Proportional to 19,932.83, 27,506.23 and 10,978.59

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Solution

The fourth proportional to 19,932.83, 27,506.23 and 10,978.59 is: 15,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.83 : 27,506.23 = 10,978.59 : x
  2. Step 2: Convert to fraction form
    19,932.83/27,506.23 = 10,978.59/x
  3. Step 3: Cross multiply
    19,932.83x = 27,506.23 × 10,978.59
  4. Step 4: Simplify right side
    19,932.83x = 301,979,604.35
  5. Step 5: Solve for x
    x = 301,979,604.35/19,932.83
  6. Step 6: Final answer
    x = 15,149.86

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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.