Home / 26,163.42-36,103.74-14,831.78

Finding the Fourth Proportional to 26,163.42, 36,103.74 and 14,831.78

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Solution

The fourth proportional to 26,163.42, 36,103.74 and 14,831.78 is: 20,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.42 : 36,103.74 = 14,831.78 : x
  2. Step 2: Convert to fraction form
    26,163.42/36,103.74 = 14,831.78/x
  3. Step 3: Cross multiply
    26,163.42x = 36,103.74 × 14,831.78
  4. Step 4: Simplify right side
    26,163.42x = 535,482,728.86
  5. Step 5: Solve for x
    x = 535,482,728.86/26,163.42
  6. Step 6: Final answer
    x = 20,466.85

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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.