Home / 27,372.05-37,772.27-15,436.49

Finding the Fourth Proportional to 27,372.05, 37,772.27 and 15,436.49

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Solution

The fourth proportional to 27,372.05, 37,772.27 and 15,436.49 is: 21,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.05 : 37,772.27 = 15,436.49 : x
  2. Step 2: Convert to fraction form
    27,372.05/37,772.27 = 15,436.49/x
  3. Step 3: Cross multiply
    27,372.05x = 37,772.27 × 15,436.49
  4. Step 4: Simplify right side
    27,372.05x = 583,071,002.09
  5. Step 5: Solve for x
    x = 583,071,002.09/27,372.05
  6. Step 6: Final answer
    x = 21,301.70

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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.