Home / 27,127.09-37,439.18-19,597.78

Finding the Fourth Proportional to 27,127.09, 37,439.18 and 19,597.78

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Solution

The fourth proportional to 27,127.09, 37,439.18 and 19,597.78 is: 27,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.09 : 37,439.18 = 19,597.78 : x
  2. Step 2: Convert to fraction form
    27,127.09/37,439.18 = 19,597.78/x
  3. Step 3: Cross multiply
    27,127.09x = 37,439.18 × 19,597.78
  4. Step 4: Simplify right side
    27,127.09x = 733,724,813.02
  5. Step 5: Solve for x
    x = 733,724,813.02/27,127.09
  6. Step 6: Final answer
    x = 27,047.68

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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.