Home / 27,309.90-40,957.56-16,845.15

Finding the Fourth Proportional to 27,309.90, 40,957.56 and 16,845.15

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Solution

The fourth proportional to 27,309.90, 40,957.56 and 16,845.15 is: 25,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.90 : 40,957.56 = 16,845.15 : x
  2. Step 2: Convert to fraction form
    27,309.90/40,957.56 = 16,845.15/x
  3. Step 3: Cross multiply
    27,309.90x = 40,957.56 × 16,845.15
  4. Step 4: Simplify right side
    27,309.90x = 689,936,241.83
  5. Step 5: Solve for x
    x = 689,936,241.83/27,309.90
  6. Step 6: Final answer
    x = 25,263.23

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1.5x scale

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.