Home / 23,783.40-32,789.97-20,461.89

Finding the Fourth Proportional to 23,783.40, 32,789.97 and 20,461.89

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Solution

The fourth proportional to 23,783.40, 32,789.97 and 20,461.89 is: 28,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,783.40 : 32,789.97 = 20,461.89 : x
  2. Step 2: Convert to fraction form
    23,783.40/32,789.97 = 20,461.89/x
  3. Step 3: Cross multiply
    23,783.40x = 32,789.97 × 20,461.89
  4. Step 4: Simplify right side
    23,783.40x = 670,944,759.24
  5. Step 5: Solve for x
    x = 670,944,759.24/23,783.40
  6. Step 6: Final answer
    x = 28,210.63

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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.