Home / 22,276.24-30,671.08-18,912.40

Finding the Fourth Proportional to 22,276.24, 30,671.08 and 18,912.40

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Solution

The fourth proportional to 22,276.24, 30,671.08 and 18,912.40 is: 26,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.24 : 30,671.08 = 18,912.40 : x
  2. Step 2: Convert to fraction form
    22,276.24/30,671.08 = 18,912.40/x
  3. Step 3: Cross multiply
    22,276.24x = 30,671.08 × 18,912.40
  4. Step 4: Simplify right side
    22,276.24x = 580,063,733.39
  5. Step 5: Solve for x
    x = 580,063,733.39/22,276.24
  6. Step 6: Final answer
    x = 26,039.57

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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.