Home / 23,878.64-35,811.48-8,287.76

Finding the Fourth Proportional to 23,878.64, 35,811.48 and 8,287.76

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Solution

The fourth proportional to 23,878.64, 35,811.48 and 8,287.76 is: 12,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,878.64 : 35,811.48 = 8,287.76 : x
  2. Step 2: Convert to fraction form
    23,878.64/35,811.48 = 8,287.76/x
  3. Step 3: Cross multiply
    23,878.64x = 35,811.48 × 8,287.76
  4. Step 4: Simplify right side
    23,878.64x = 296,796,951.48
  5. Step 5: Solve for x
    x = 296,796,951.48/23,878.64
  6. Step 6: Final answer
    x = 12,429.39

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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.