Home / 21,392.58-32,089.86-15,180.42

Finding the Fourth Proportional to 21,392.58, 32,089.86 and 15,180.42

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Solution

The fourth proportional to 21,392.58, 32,089.86 and 15,180.42 is: 22,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.58 : 32,089.86 = 15,180.42 : x
  2. Step 2: Convert to fraction form
    21,392.58/32,089.86 = 15,180.42/x
  3. Step 3: Cross multiply
    21,392.58x = 32,089.86 × 15,180.42
  4. Step 4: Simplify right side
    21,392.58x = 487,137,552.54
  5. Step 5: Solve for x
    x = 487,137,552.54/21,392.58
  6. Step 6: Final answer
    x = 22,771.33

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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.