Home / 27,841.14-38,426.91-21,779.37

Finding the Fourth Proportional to 27,841.14, 38,426.91 and 21,779.37

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Solution

The fourth proportional to 27,841.14, 38,426.91 and 21,779.37 is: 30,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.14 : 38,426.91 = 21,779.37 : x
  2. Step 2: Convert to fraction form
    27,841.14/38,426.91 = 21,779.37/x
  3. Step 3: Cross multiply
    27,841.14x = 38,426.91 × 21,779.37
  4. Step 4: Simplify right side
    27,841.14x = 836,913,890.85
  5. Step 5: Solve for x
    x = 836,913,890.85/27,841.14
  6. Step 6: Final answer
    x = 30,060.33

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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.