Home / 27,288.81-37,655.19-17,213.45

Finding the Fourth Proportional to 27,288.81, 37,655.19 and 17,213.45

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Solution

The fourth proportional to 27,288.81, 37,655.19 and 17,213.45 is: 23,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.81 : 37,655.19 = 17,213.45 : x
  2. Step 2: Convert to fraction form
    27,288.81/37,655.19 = 17,213.45/x
  3. Step 3: Cross multiply
    27,288.81x = 37,655.19 × 17,213.45
  4. Step 4: Simplify right side
    27,288.81x = 648,175,542.03
  5. Step 5: Solve for x
    x = 648,175,542.03/27,288.81
  6. Step 6: Final answer
    x = 23,752.43

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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.