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Finding the Fourth Proportional to 27,550.64, 38,019.70 and 14,975.39

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Solution

The fourth proportional to 27,550.64, 38,019.70 and 14,975.39 is: 20,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550.64 : 38,019.70 = 14,975.39 : x
  2. Step 2: Convert to fraction form
    27,550.64/38,019.70 = 14,975.39/x
  3. Step 3: Cross multiply
    27,550.64x = 38,019.70 × 14,975.39
  4. Step 4: Simplify right side
    27,550.64x = 569,359,835.18
  5. Step 5: Solve for x
    x = 569,359,835.18/27,550.64
  6. Step 6: Final answer
    x = 20,665.94

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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.