Home / 23,620.12-35,432.05-7,824.51

Finding the Fourth Proportional to 23,620.12, 35,432.05 and 7,824.51

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Solution

The fourth proportional to 23,620.12, 35,432.05 and 7,824.51 is: 11,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,620.12 : 35,432.05 = 7,824.51 : x
  2. Step 2: Convert to fraction form
    23,620.12/35,432.05 = 7,824.51/x
  3. Step 3: Cross multiply
    23,620.12x = 35,432.05 × 7,824.51
  4. Step 4: Simplify right side
    23,620.12x = 277,238,390.42
  5. Step 5: Solve for x
    x = 277,238,390.42/23,620.12
  6. Step 6: Final answer
    x = 11,737.39

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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.