Home / 28,338.33-39,105.32-15,762.27

Finding the Fourth Proportional to 28,338.33, 39,105.32 and 15,762.27

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Solution

The fourth proportional to 28,338.33, 39,105.32 and 15,762.27 is: 21,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.33 : 39,105.32 = 15,762.27 : x
  2. Step 2: Convert to fraction form
    28,338.33/39,105.32 = 15,762.27/x
  3. Step 3: Cross multiply
    28,338.33x = 39,105.32 × 15,762.27
  4. Step 4: Simplify right side
    28,338.33x = 616,388,612.28
  5. Step 5: Solve for x
    x = 616,388,612.28/28,338.33
  6. Step 6: Final answer
    x = 21,751.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.