Home / 10,352.64-15,529.08-3,427.20

Finding the Fourth Proportional to 10,352.64, 15,529.08 and 3,427.20

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Solution

The fourth proportional to 10,352.64, 15,529.08 and 3,427.20 is: 5,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.64 : 15,529.08 = 3,427.20 : x
  2. Step 2: Convert to fraction form
    10,352.64/15,529.08 = 3,427.20/x
  3. Step 3: Cross multiply
    10,352.64x = 15,529.08 × 3,427.20
  4. Step 4: Simplify right side
    10,352.64x = 53,221,262.98
  5. Step 5: Solve for x
    x = 53,221,262.98/10,352.64
  6. Step 6: Final answer
    x = 5,140.84

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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.