Home / 27,127.40-37,434.78-15,796.28

Finding the Fourth Proportional to 27,127.40, 37,434.78 and 15,796.28

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Solution

The fourth proportional to 27,127.40, 37,434.78 and 15,796.28 is: 21,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.40 : 37,434.78 = 15,796.28 : x
  2. Step 2: Convert to fraction form
    27,127.40/37,434.78 = 15,796.28/x
  3. Step 3: Cross multiply
    27,127.40x = 37,434.78 × 15,796.28
  4. Step 4: Simplify right side
    27,127.40x = 591,330,266.62
  5. Step 5: Solve for x
    x = 591,330,266.62/27,127.40
  6. Step 6: Final answer
    x = 21,798.27

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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.