Home / 17,839.20-26,787.60-13,461.60

Finding the Fourth Proportional to 17,839.20, 26,787.60 and 13,461.60

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Solution

The fourth proportional to 17,839.20, 26,787.60 and 13,461.60 is: 20,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,839.20 : 26,787.60 = 13,461.60 : x
  2. Step 2: Convert to fraction form
    17,839.20/26,787.60 = 13,461.60/x
  3. Step 3: Cross multiply
    17,839.20x = 26,787.60 × 13,461.60
  4. Step 4: Simplify right side
    17,839.20x = 360,603,956.16
  5. Step 5: Solve for x
    x = 360,603,956.16/17,839.20
  6. Step 6: Final answer
    x = 20,214.13

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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.