Home / 28,963.50-43,348.82-21,904.61

Finding the Fourth Proportional to 28,963.50, 43,348.82 and 21,904.61

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Solution

The fourth proportional to 28,963.50, 43,348.82 and 21,904.61 is: 32,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963.50 : 43,348.82 = 21,904.61 : x
  2. Step 2: Convert to fraction form
    28,963.50/43,348.82 = 21,904.61/x
  3. Step 3: Cross multiply
    28,963.50x = 43,348.82 × 21,904.61
  4. Step 4: Simplify right side
    28,963.50x = 949,538,669.79
  5. Step 5: Solve for x
    x = 949,538,669.79/28,963.50
  6. Step 6: Final answer
    x = 32,783.98

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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.