Home / 27,372.43-37,773.88-15,435.70

Finding the Fourth Proportional to 27,372.43, 37,773.88 and 15,435.70

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Solution

The fourth proportional to 27,372.43, 37,773.88 and 15,435.70 is: 21,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.43 : 37,773.88 = 15,435.70 : x
  2. Step 2: Convert to fraction form
    27,372.43/37,773.88 = 15,435.70/x
  3. Step 3: Cross multiply
    27,372.43x = 37,773.88 × 15,435.70
  4. Step 4: Simplify right side
    27,372.43x = 583,066,146.49
  5. Step 5: Solve for x
    x = 583,066,146.49/27,372.43
  6. Step 6: Final answer
    x = 21,301.22

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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.