Home / 27,988.52-41,926.53-13,905.96

Finding the Fourth Proportional to 27,988.52, 41,926.53 and 13,905.96

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Solution

The fourth proportional to 27,988.52, 41,926.53 and 13,905.96 is: 20,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.52 : 41,926.53 = 13,905.96 : x
  2. Step 2: Convert to fraction form
    27,988.52/41,926.53 = 13,905.96/x
  3. Step 3: Cross multiply
    27,988.52x = 41,926.53 × 13,905.96
  4. Step 4: Simplify right side
    27,988.52x = 583,028,649.12
  5. Step 5: Solve for x
    x = 583,028,649.12/27,988.52
  6. Step 6: Final answer
    x = 20,831.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.