Home / 19,026.50-28,539.84-5,175.50

Finding the Fourth Proportional to 19,026.50, 28,539.84 and 5,175.50

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Solution

The fourth proportional to 19,026.50, 28,539.84 and 5,175.50 is: 7,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.50 : 28,539.84 = 5,175.50 : x
  2. Step 2: Convert to fraction form
    19,026.50/28,539.84 = 5,175.50/x
  3. Step 3: Cross multiply
    19,026.50x = 28,539.84 × 5,175.50
  4. Step 4: Simplify right side
    19,026.50x = 147,707,941.92
  5. Step 5: Solve for x
    x = 147,707,941.92/19,026.50
  6. Step 6: Final answer
    x = 7,763.27

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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.