Home / 27,456.48-37,889.80-14,881.28

Finding the Fourth Proportional to 27,456.48, 37,889.80 and 14,881.28

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Solution

The fourth proportional to 27,456.48, 37,889.80 and 14,881.28 is: 20,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.48 : 37,889.80 = 14,881.28 : x
  2. Step 2: Convert to fraction form
    27,456.48/37,889.80 = 14,881.28/x
  3. Step 3: Cross multiply
    27,456.48x = 37,889.80 × 14,881.28
  4. Step 4: Simplify right side
    27,456.48x = 563,848,722.94
  5. Step 5: Solve for x
    x = 563,848,722.94/27,456.48
  6. Step 6: Final answer
    x = 20,536.09

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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.