Home / 18,427.24-27,636.78-5,276.68

Finding the Fourth Proportional to 18,427.24, 27,636.78 and 5,276.68

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Solution

The fourth proportional to 18,427.24, 27,636.78 and 5,276.68 is: 7,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.24 : 27,636.78 = 5,276.68 : x
  2. Step 2: Convert to fraction form
    18,427.24/27,636.78 = 5,276.68/x
  3. Step 3: Cross multiply
    18,427.24x = 27,636.78 × 5,276.68
  4. Step 4: Simplify right side
    18,427.24x = 145,830,444.29
  5. Step 5: Solve for x
    x = 145,830,444.29/18,427.24
  6. Step 6: Final answer
    x = 7,913.85

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1.5x scale

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.