Home / 27,320.93-40,981.26-8,602.55

Finding the Fourth Proportional to 27,320.93, 40,981.26 and 8,602.55

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Solution

The fourth proportional to 27,320.93, 40,981.26 and 8,602.55 is: 12,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.93 : 40,981.26 = 8,602.55 : x
  2. Step 2: Convert to fraction form
    27,320.93/40,981.26 = 8,602.55/x
  3. Step 3: Cross multiply
    27,320.93x = 40,981.26 × 8,602.55
  4. Step 4: Simplify right side
    27,320.93x = 352,543,338.21
  5. Step 5: Solve for x
    x = 352,543,338.21/27,320.93
  6. Step 6: Final answer
    x = 12,903.78

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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.