Home / 26,787.84-40,184.52-9,255.40

Finding the Fourth Proportional to 26,787.84, 40,184.52 and 9,255.40

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Solution

The fourth proportional to 26,787.84, 40,184.52 and 9,255.40 is: 13,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.84 : 40,184.52 = 9,255.40 : x
  2. Step 2: Convert to fraction form
    26,787.84/40,184.52 = 9,255.40/x
  3. Step 3: Cross multiply
    26,787.84x = 40,184.52 × 9,255.40
  4. Step 4: Simplify right side
    26,787.84x = 371,923,806.41
  5. Step 5: Solve for x
    x = 371,923,806.41/26,787.84
  6. Step 6: Final answer
    x = 13,884.05

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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.