Home / 28,371.27-42,556.86-28,330.23

Finding the Fourth Proportional to 28,371.27, 42,556.86 and 28,330.23

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Solution

The fourth proportional to 28,371.27, 42,556.86 and 28,330.23 is: 42,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371.27 : 42,556.86 = 28,330.23 : x
  2. Step 2: Convert to fraction form
    28,371.27/42,556.86 = 28,330.23/x
  3. Step 3: Cross multiply
    28,371.27x = 42,556.86 × 28,330.23
  4. Step 4: Simplify right side
    28,371.27x = 1,205,645,631.88
  5. Step 5: Solve for x
    x = 1,205,645,631.88/28,371.27
  6. Step 6: Final answer
    x = 42,495.30

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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.