Home / 28,371.26-42,556.89-28,330.26

Finding the Fourth Proportional to 28,371.26, 42,556.89 and 28,330.26

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Solution

The fourth proportional to 28,371.26, 42,556.89 and 28,330.26 is: 42,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371.26 : 42,556.89 = 28,330.26 : x
  2. Step 2: Convert to fraction form
    28,371.26/42,556.89 = 28,330.26/x
  3. Step 3: Cross multiply
    28,371.26x = 42,556.89 × 28,330.26
  4. Step 4: Simplify right side
    28,371.26x = 1,205,647,758.49
  5. Step 5: Solve for x
    x = 1,205,647,758.49/28,371.26
  6. Step 6: Final answer
    x = 42,495.40

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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.