Home / 23,305.60-34,988.89-13,835.21

Finding the Fourth Proportional to 23,305.60, 34,988.89 and 13,835.21

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Solution

The fourth proportional to 23,305.60, 34,988.89 and 13,835.21 is: 20,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,305.60 : 34,988.89 = 13,835.21 : x
  2. Step 2: Convert to fraction form
    23,305.60/34,988.89 = 13,835.21/x
  3. Step 3: Cross multiply
    23,305.60x = 34,988.89 × 13,835.21
  4. Step 4: Simplify right side
    23,305.60x = 484,078,418.31
  5. Step 5: Solve for x
    x = 484,078,418.31/23,305.60
  6. Step 6: Final answer
    x = 20,770.91

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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.