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Finding the Fourth Proportional to 18,065, 27,148.44 and 10,672.76

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Solution

The fourth proportional to 18,065, 27,148.44 and 10,672.76 is: 16,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065 : 27,148.44 = 10,672.76 : x
  2. Step 2: Convert to fraction form
    18,065/27,148.44 = 10,672.76/x
  3. Step 3: Cross multiply
    18,065x = 27,148.44 × 10,672.76
  4. Step 4: Simplify right side
    18,065x = 289,748,784.49
  5. Step 5: Solve for x
    x = 289,748,784.49/18,065
  6. Step 6: Final answer
    x = 16,039.24

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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.