Home / 23,442.48-35,138.88-8,439.60

Finding the Fourth Proportional to 23,442.48, 35,138.88 and 8,439.60

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Solution

The fourth proportional to 23,442.48, 35,138.88 and 8,439.60 is: 12,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,442.48 : 35,138.88 = 8,439.60 : x
  2. Step 2: Convert to fraction form
    23,442.48/35,138.88 = 8,439.60/x
  3. Step 3: Cross multiply
    23,442.48x = 35,138.88 × 8,439.60
  4. Step 4: Simplify right side
    23,442.48x = 296,558,091.65
  5. Step 5: Solve for x
    x = 296,558,091.65/23,442.48
  6. Step 6: Final answer
    x = 12,650.46

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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.