Home / 18,427.29-27,636.13-5,276.60

Finding the Fourth Proportional to 18,427.29, 27,636.13 and 5,276.60

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Solution

The fourth proportional to 18,427.29, 27,636.13 and 5,276.60 is: 7,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.29 : 27,636.13 = 5,276.60 : x
  2. Step 2: Convert to fraction form
    18,427.29/27,636.13 = 5,276.60/x
  3. Step 3: Cross multiply
    18,427.29x = 27,636.13 × 5,276.60
  4. Step 4: Simplify right side
    18,427.29x = 145,824,803.56
  5. Step 5: Solve for x
    x = 145,824,803.56/18,427.29
  6. Step 6: Final answer
    x = 7,913.52

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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.