Home / 10,427.99-15,641.85-2,530.57

Finding the Fourth Proportional to 10,427.99, 15,641.85 and 2,530.57

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Solution

The fourth proportional to 10,427.99, 15,641.85 and 2,530.57 is: 3,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.99 : 15,641.85 = 2,530.57 : x
  2. Step 2: Convert to fraction form
    10,427.99/15,641.85 = 2,530.57/x
  3. Step 3: Cross multiply
    10,427.99x = 15,641.85 × 2,530.57
  4. Step 4: Simplify right side
    10,427.99x = 39,582,730.72
  5. Step 5: Solve for x
    x = 39,582,730.72/10,427.99
  6. Step 6: Final answer
    x = 3,795.82

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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.