Home / 27,380.23-37,783.15-15,442.85

Finding the Fourth Proportional to 27,380.23, 37,783.15 and 15,442.85

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Solution

The fourth proportional to 27,380.23, 37,783.15 and 15,442.85 is: 21,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.23 : 37,783.15 = 15,442.85 : x
  2. Step 2: Convert to fraction form
    27,380.23/37,783.15 = 15,442.85/x
  3. Step 3: Cross multiply
    27,380.23x = 37,783.15 × 15,442.85
  4. Step 4: Simplify right side
    27,380.23x = 583,479,573.83
  5. Step 5: Solve for x
    x = 583,479,573.83/27,380.23
  6. Step 6: Final answer
    x = 21,310.25

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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.