Home / 23,443.86-32,367.60-20,921.64

Finding the Fourth Proportional to 23,443.86, 32,367.60 and 20,921.64

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Solution

The fourth proportional to 23,443.86, 32,367.60 and 20,921.64 is: 28,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,443.86 : 32,367.60 = 20,921.64 : x
  2. Step 2: Convert to fraction form
    23,443.86/32,367.60 = 20,921.64/x
  3. Step 3: Cross multiply
    23,443.86x = 32,367.60 × 20,921.64
  4. Step 4: Simplify right side
    23,443.86x = 677,183,274.86
  5. Step 5: Solve for x
    x = 677,183,274.86/23,443.86
  6. Step 6: Final answer
    x = 28,885.31

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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.