Home / 28,787.56-43,204.38-14,940.52

Finding the Fourth Proportional to 28,787.56, 43,204.38 and 14,940.52

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Solution

The fourth proportional to 28,787.56, 43,204.38 and 14,940.52 is: 22,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787.56 : 43,204.38 = 14,940.52 : x
  2. Step 2: Convert to fraction form
    28,787.56/43,204.38 = 14,940.52/x
  3. Step 3: Cross multiply
    28,787.56x = 43,204.38 × 14,940.52
  4. Step 4: Simplify right side
    28,787.56x = 645,495,903.48
  5. Step 5: Solve for x
    x = 645,495,903.48/28,787.56
  6. Step 6: Final answer
    x = 22,422.74

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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.