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Finding the Fourth Proportional to 52,804.17, 79,157.04 and 26,478.15

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Solution

The fourth proportional to 52,804.17, 79,157.04 and 26,478.15 is: 39,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,804.17 : 79,157.04 = 26,478.15 : x
  2. Step 2: Convert to fraction form
    52,804.17/79,157.04 = 26,478.15/x
  3. Step 3: Cross multiply
    52,804.17x = 79,157.04 × 26,478.15
  4. Step 4: Simplify right side
    52,804.17x = 2,095,931,978.68
  5. Step 5: Solve for x
    x = 2,095,931,978.68/52,804.17
  6. Step 6: Final answer
    x = 39,692.55

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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.