Home / 23,515.44-35,269.32-8,720.88

Finding the Fourth Proportional to 23,515.44, 35,269.32 and 8,720.88

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Solution

The fourth proportional to 23,515.44, 35,269.32 and 8,720.88 is: 13,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.44 : 35,269.32 = 8,720.88 : x
  2. Step 2: Convert to fraction form
    23,515.44/35,269.32 = 8,720.88/x
  3. Step 3: Cross multiply
    23,515.44x = 35,269.32 × 8,720.88
  4. Step 4: Simplify right side
    23,515.44x = 307,579,507.40
  5. Step 5: Solve for x
    x = 307,579,507.40/23,515.44
  6. Step 6: Final answer
    x = 13,079.90

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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.