Home / 23,579.40-35,370.20-7,785.80

Finding the Fourth Proportional to 23,579.40, 35,370.20 and 7,785.80

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Solution

The fourth proportional to 23,579.40, 35,370.20 and 7,785.80 is: 11,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.40 : 35,370.20 = 7,785.80 : x
  2. Step 2: Convert to fraction form
    23,579.40/35,370.20 = 7,785.80/x
  3. Step 3: Cross multiply
    23,579.40x = 35,370.20 × 7,785.80
  4. Step 4: Simplify right side
    23,579.40x = 275,385,303.16
  5. Step 5: Solve for x
    x = 275,385,303.16/23,579.40
  6. Step 6: Final answer
    x = 11,679.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.