Home / 19,579.15-29,367.80-4,787.27

Finding the Fourth Proportional to 19,579.15, 29,367.80 and 4,787.27

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Solution

The fourth proportional to 19,579.15, 29,367.80 and 4,787.27 is: 7,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.15 : 29,367.80 = 4,787.27 : x
  2. Step 2: Convert to fraction form
    19,579.15/29,367.80 = 4,787.27/x
  3. Step 3: Cross multiply
    19,579.15x = 29,367.80 × 4,787.27
  4. Step 4: Simplify right side
    19,579.15x = 140,591,417.13
  5. Step 5: Solve for x
    x = 140,591,417.13/19,579.15
  6. Step 6: Final answer
    x = 7,180.67

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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.