Home / 20,521.44-30,787.38-5,730.39

Finding the Fourth Proportional to 20,521.44, 30,787.38 and 5,730.39

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Solution

The fourth proportional to 20,521.44, 30,787.38 and 5,730.39 is: 8,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,521.44 : 30,787.38 = 5,730.39 : x
  2. Step 2: Convert to fraction form
    20,521.44/30,787.38 = 5,730.39/x
  3. Step 3: Cross multiply
    20,521.44x = 30,787.38 × 5,730.39
  4. Step 4: Simplify right side
    20,521.44x = 176,423,694.48
  5. Step 5: Solve for x
    x = 176,423,694.48/20,521.44
  6. Step 6: Final answer
    x = 8,597.04

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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.