Home / 23,640.40-35,449.32-13,782.52

Finding the Fourth Proportional to 23,640.40, 35,449.32 and 13,782.52

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Solution

The fourth proportional to 23,640.40, 35,449.32 and 13,782.52 is: 20,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,640.40 : 35,449.32 = 13,782.52 : x
  2. Step 2: Convert to fraction form
    23,640.40/35,449.32 = 13,782.52/x
  3. Step 3: Cross multiply
    23,640.40x = 35,449.32 × 13,782.52
  4. Step 4: Simplify right side
    23,640.40x = 488,580,961.89
  5. Step 5: Solve for x
    x = 488,580,961.89/23,640.40
  6. Step 6: Final answer
    x = 20,667.20

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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.