Home / 23,688.88-32,690.22-13,078.28

Finding the Fourth Proportional to 23,688.88, 32,690.22 and 13,078.28

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Solution

The fourth proportional to 23,688.88, 32,690.22 and 13,078.28 is: 18,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688.88 : 32,690.22 = 13,078.28 : x
  2. Step 2: Convert to fraction form
    23,688.88/32,690.22 = 13,078.28/x
  3. Step 3: Cross multiply
    23,688.88x = 32,690.22 × 13,078.28
  4. Step 4: Simplify right side
    23,688.88x = 427,531,850.42
  5. Step 5: Solve for x
    x = 427,531,850.42/23,688.88
  6. Step 6: Final answer
    x = 18,047.79

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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.