Home / 27,779.24-38,295.44-19,807.60

Finding the Fourth Proportional to 27,779.24, 38,295.44 and 19,807.60

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Solution

The fourth proportional to 27,779.24, 38,295.44 and 19,807.60 is: 27,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.24 : 38,295.44 = 19,807.60 : x
  2. Step 2: Convert to fraction form
    27,779.24/38,295.44 = 19,807.60/x
  3. Step 3: Cross multiply
    27,779.24x = 38,295.44 × 19,807.60
  4. Step 4: Simplify right side
    27,779.24x = 758,540,757.34
  5. Step 5: Solve for x
    x = 758,540,757.34/27,779.24
  6. Step 6: Final answer
    x = 27,306.03

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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.