Home / 18,376.20-27,564.30-4,525.20

Finding the Fourth Proportional to 18,376.20, 27,564.30 and 4,525.20

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Solution

The fourth proportional to 18,376.20, 27,564.30 and 4,525.20 is: 6,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.20 : 27,564.30 = 4,525.20 : x
  2. Step 2: Convert to fraction form
    18,376.20/27,564.30 = 4,525.20/x
  3. Step 3: Cross multiply
    18,376.20x = 27,564.30 × 4,525.20
  4. Step 4: Simplify right side
    18,376.20x = 124,733,970.36
  5. Step 5: Solve for x
    x = 124,733,970.36/18,376.20
  6. Step 6: Final answer
    x = 6,787.80

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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.