Home / 23,388.48-32,276.16-12,778.20

Finding the Fourth Proportional to 23,388.48, 32,276.16 and 12,778.20

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Solution

The fourth proportional to 23,388.48, 32,276.16 and 12,778.20 is: 17,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,388.48 : 32,276.16 = 12,778.20 : x
  2. Step 2: Convert to fraction form
    23,388.48/32,276.16 = 12,778.20/x
  3. Step 3: Cross multiply
    23,388.48x = 32,276.16 × 12,778.20
  4. Step 4: Simplify right side
    23,388.48x = 412,431,227.71
  5. Step 5: Solve for x
    x = 412,431,227.71/23,388.48
  6. Step 6: Final answer
    x = 17,633.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.