Home / 18,695.60-28,038.56-5,544.88

Finding the Fourth Proportional to 18,695.60, 28,038.56 and 5,544.88

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Solution

The fourth proportional to 18,695.60, 28,038.56 and 5,544.88 is: 8,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.60 : 28,038.56 = 5,544.88 : x
  2. Step 2: Convert to fraction form
    18,695.60/28,038.56 = 5,544.88/x
  3. Step 3: Cross multiply
    18,695.60x = 28,038.56 × 5,544.88
  4. Step 4: Simplify right side
    18,695.60x = 155,470,450.57
  5. Step 5: Solve for x
    x = 155,470,450.57/18,695.60
  6. Step 6: Final answer
    x = 8,315.88

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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.