Home / 28,682.10-43,023.15-19,350.90

Finding the Fourth Proportional to 28,682.10, 43,023.15 and 19,350.90

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Solution

The fourth proportional to 28,682.10, 43,023.15 and 19,350.90 is: 29,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.10 : 43,023.15 = 19,350.90 : x
  2. Step 2: Convert to fraction form
    28,682.10/43,023.15 = 19,350.90/x
  3. Step 3: Cross multiply
    28,682.10x = 43,023.15 × 19,350.90
  4. Step 4: Simplify right side
    28,682.10x = 832,536,673.34
  5. Step 5: Solve for x
    x = 832,536,673.34/28,682.10
  6. Step 6: Final answer
    x = 29,026.35

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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.