Home / 27,375.82-37,779.18-15,436.83

Finding the Fourth Proportional to 27,375.82, 37,779.18 and 15,436.83

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Solution

The fourth proportional to 27,375.82, 37,779.18 and 15,436.83 is: 21,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.82 : 37,779.18 = 15,436.83 : x
  2. Step 2: Convert to fraction form
    27,375.82/37,779.18 = 15,436.83/x
  3. Step 3: Cross multiply
    27,375.82x = 37,779.18 × 15,436.83
  4. Step 4: Simplify right side
    27,375.82x = 583,190,780.72
  5. Step 5: Solve for x
    x = 583,190,780.72/27,375.82
  6. Step 6: Final answer
    x = 21,303.13

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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.