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Finding the Fourth Proportional to 19,602, 27,073.04 and 13,303.44

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Solution

The fourth proportional to 19,602, 27,073.04 and 13,303.44 is: 18,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602 : 27,073.04 = 13,303.44 : x
  2. Step 2: Convert to fraction form
    19,602/27,073.04 = 13,303.44/x
  3. Step 3: Cross multiply
    19,602x = 27,073.04 × 13,303.44
  4. Step 4: Simplify right side
    19,602x = 360,164,496.74
  5. Step 5: Solve for x
    x = 360,164,496.74/19,602
  6. Step 6: Final answer
    x = 18,373.86

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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.