Home / 28,904.22-43,335.21-19,520.94

Finding the Fourth Proportional to 28,904.22, 43,335.21 and 19,520.94

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Solution

The fourth proportional to 28,904.22, 43,335.21 and 19,520.94 is: 29,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.22 : 43,335.21 = 19,520.94 : x
  2. Step 2: Convert to fraction form
    28,904.22/43,335.21 = 19,520.94/x
  3. Step 3: Cross multiply
    28,904.22x = 43,335.21 × 19,520.94
  4. Step 4: Simplify right side
    28,904.22x = 845,944,034.30
  5. Step 5: Solve for x
    x = 845,944,034.30/28,904.22
  6. Step 6: Final answer
    x = 29,267.15

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1.5x scale

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.