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Finding the Fourth Proportional to 17,792, 26,692.62 and 5,312.03

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Solution

The fourth proportional to 17,792, 26,692.62 and 5,312.03 is: 7,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,792 : 26,692.62 = 5,312.03 : x
  2. Step 2: Convert to fraction form
    17,792/26,692.62 = 5,312.03/x
  3. Step 3: Cross multiply
    17,792x = 26,692.62 × 5,312.03
  4. Step 4: Simplify right side
    17,792x = 141,791,864.76
  5. Step 5: Solve for x
    x = 141,791,864.76/17,792
  6. Step 6: Final answer
    x = 7,969.42

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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.