Home / 27,557.34-37,961.64-19,981.42

Finding the Fourth Proportional to 27,557.34, 37,961.64 and 19,981.42

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Solution

The fourth proportional to 27,557.34, 37,961.64 and 19,981.42 is: 27,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.34 : 37,961.64 = 19,981.42 : x
  2. Step 2: Convert to fraction form
    27,557.34/37,961.64 = 19,981.42/x
  3. Step 3: Cross multiply
    27,557.34x = 37,961.64 × 19,981.42
  4. Step 4: Simplify right side
    27,557.34x = 758,527,472.73
  5. Step 5: Solve for x
    x = 758,527,472.73/27,557.34
  6. Step 6: Final answer
    x = 27,525.42

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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.