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Finding the Fourth Proportional to 27,558.88, 38,031.60 and 14,983.84

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Solution

The fourth proportional to 27,558.88, 38,031.60 and 14,983.84 is: 20,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558.88 : 38,031.60 = 14,983.84 : x
  2. Step 2: Convert to fraction form
    27,558.88/38,031.60 = 14,983.84/x
  3. Step 3: Cross multiply
    27,558.88x = 38,031.60 × 14,983.84
  4. Step 4: Simplify right side
    27,558.88x = 569,859,409.34
  5. Step 5: Solve for x
    x = 569,859,409.34/27,558.88
  6. Step 6: Final answer
    x = 20,677.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.