Home / 19,020.18-28,527.84-8,629.50

Finding the Fourth Proportional to 19,020.18, 28,527.84 and 8,629.50

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Solution

The fourth proportional to 19,020.18, 28,527.84 and 8,629.50 is: 12,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.18 : 28,527.84 = 8,629.50 : x
  2. Step 2: Convert to fraction form
    19,020.18/28,527.84 = 8,629.50/x
  3. Step 3: Cross multiply
    19,020.18x = 28,527.84 × 8,629.50
  4. Step 4: Simplify right side
    19,020.18x = 246,180,995.28
  5. Step 5: Solve for x
    x = 246,180,995.28/19,020.18
  6. Step 6: Final answer
    x = 12,943.15

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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.