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Finding the Fourth Proportional to 52,795.35, 79,184.77 and 17,256.40

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Solution

The fourth proportional to 52,795.35, 79,184.77 and 17,256.40 is: 25,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,795.35 : 79,184.77 = 17,256.40 : x
  2. Step 2: Convert to fraction form
    52,795.35/79,184.77 = 17,256.40/x
  3. Step 3: Cross multiply
    52,795.35x = 79,184.77 × 17,256.40
  4. Step 4: Simplify right side
    52,795.35x = 1,366,444,065.03
  5. Step 5: Solve for x
    x = 1,366,444,065.03/52,795.35
  6. Step 6: Final answer
    x = 25,881.90

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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.