Home / 28,818.18-43,227.39-19,465.14

Finding the Fourth Proportional to 28,818.18, 43,227.39 and 19,465.14

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Solution

The fourth proportional to 28,818.18, 43,227.39 and 19,465.14 is: 29,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.18 : 43,227.39 = 19,465.14 : x
  2. Step 2: Convert to fraction form
    28,818.18/43,227.39 = 19,465.14/x
  3. Step 3: Cross multiply
    28,818.18x = 43,227.39 × 19,465.14
  4. Step 4: Simplify right side
    28,818.18x = 841,427,198.18
  5. Step 5: Solve for x
    x = 841,427,198.18/28,818.18
  6. Step 6: Final answer
    x = 29,197.79

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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.