Home / 20,113.08-27,657.62-17,455.87

Finding the Fourth Proportional to 20,113.08, 27,657.62 and 17,455.87

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Solution

The fourth proportional to 20,113.08, 27,657.62 and 17,455.87 is: 24,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.08 : 27,657.62 = 17,455.87 : x
  2. Step 2: Convert to fraction form
    20,113.08/27,657.62 = 17,455.87/x
  3. Step 3: Cross multiply
    20,113.08x = 27,657.62 × 17,455.87
  4. Step 4: Simplify right side
    20,113.08x = 482,787,831.98
  5. Step 5: Solve for x
    x = 482,787,831.98/20,113.08
  6. Step 6: Final answer
    x = 24,003.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.