Home / 28,103.21-38,737.37-19,025.71

Finding the Fourth Proportional to 28,103.21, 38,737.37 and 19,025.71

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Solution

The fourth proportional to 28,103.21, 38,737.37 and 19,025.71 is: 26,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,103.21 : 38,737.37 = 19,025.71 : x
  2. Step 2: Convert to fraction form
    28,103.21/38,737.37 = 19,025.71/x
  3. Step 3: Cross multiply
    28,103.21x = 38,737.37 × 19,025.71
  4. Step 4: Simplify right side
    28,103.21x = 737,005,821.66
  5. Step 5: Solve for x
    x = 737,005,821.66/28,103.21
  6. Step 6: Final answer
    x = 26,224.97

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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.