Home / 27,388.81-37,796.71-15,289.84

Finding the Fourth Proportional to 27,388.81, 37,796.71 and 15,289.84

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Solution

The fourth proportional to 27,388.81, 37,796.71 and 15,289.84 is: 21,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.81 : 37,796.71 = 15,289.84 : x
  2. Step 2: Convert to fraction form
    27,388.81/37,796.71 = 15,289.84/x
  3. Step 3: Cross multiply
    27,388.81x = 37,796.71 × 15,289.84
  4. Step 4: Simplify right side
    27,388.81x = 577,905,648.43
  5. Step 5: Solve for x
    x = 577,905,648.43/27,388.81
  6. Step 6: Final answer
    x = 21,100.06

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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.