Home / 28,487.57-39,300.08-16,544.43

Finding the Fourth Proportional to 28,487.57, 39,300.08 and 16,544.43

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Solution

The fourth proportional to 28,487.57, 39,300.08 and 16,544.43 is: 22,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,487.57 : 39,300.08 = 16,544.43 : x
  2. Step 2: Convert to fraction form
    28,487.57/39,300.08 = 16,544.43/x
  3. Step 3: Cross multiply
    28,487.57x = 39,300.08 × 16,544.43
  4. Step 4: Simplify right side
    28,487.57x = 650,197,339.83
  5. Step 5: Solve for x
    x = 650,197,339.83/28,487.57
  6. Step 6: Final answer
    x = 22,823.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.