Home / 19,540.68-29,242.71-15,989.64

Finding the Fourth Proportional to 19,540.68, 29,242.71 and 15,989.64

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Solution

The fourth proportional to 19,540.68, 29,242.71 and 15,989.64 is: 23,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.68 : 29,242.71 = 15,989.64 : x
  2. Step 2: Convert to fraction form
    19,540.68/29,242.71 = 15,989.64/x
  3. Step 3: Cross multiply
    19,540.68x = 29,242.71 × 15,989.64
  4. Step 4: Simplify right side
    19,540.68x = 467,580,405.52
  5. Step 5: Solve for x
    x = 467,580,405.52/19,540.68
  6. Step 6: Final answer
    x = 23,928.56

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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.