Home / 13,525.65-20,288.48-5,628.02

Finding the Fourth Proportional to 13,525.65, 20,288.48 and 5,628.02

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Solution

The fourth proportional to 13,525.65, 20,288.48 and 5,628.02 is: 8,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.65 : 20,288.48 = 5,628.02 : x
  2. Step 2: Convert to fraction form
    13,525.65/20,288.48 = 5,628.02/x
  3. Step 3: Cross multiply
    13,525.65x = 20,288.48 × 5,628.02
  4. Step 4: Simplify right side
    13,525.65x = 114,183,841.63
  5. Step 5: Solve for x
    x = 114,183,841.63/13,525.65
  6. Step 6: Final answer
    x = 8,442.02

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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.