Home / 27,376.62-37,777.48-15,442.89

Finding the Fourth Proportional to 27,376.62, 37,777.48 and 15,442.89

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Solution

The fourth proportional to 27,376.62, 37,777.48 and 15,442.89 is: 21,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.62 : 37,777.48 = 15,442.89 : x
  2. Step 2: Convert to fraction form
    27,376.62/37,777.48 = 15,442.89/x
  3. Step 3: Cross multiply
    27,376.62x = 37,777.48 × 15,442.89
  4. Step 4: Simplify right side
    27,376.62x = 583,393,468.12
  5. Step 5: Solve for x
    x = 583,393,468.12/27,376.62
  6. Step 6: Final answer
    x = 21,309.92

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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.