Home / 28,606.47-39,467.76-17,279.33

Finding the Fourth Proportional to 28,606.47, 39,467.76 and 17,279.33

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Solution

The fourth proportional to 28,606.47, 39,467.76 and 17,279.33 is: 23,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.47 : 39,467.76 = 17,279.33 : x
  2. Step 2: Convert to fraction form
    28,606.47/39,467.76 = 17,279.33/x
  3. Step 3: Cross multiply
    28,606.47x = 39,467.76 × 17,279.33
  4. Step 4: Simplify right side
    28,606.47x = 681,976,187.26
  5. Step 5: Solve for x
    x = 681,976,187.26/28,606.47
  6. Step 6: Final answer
    x = 23,839.93

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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.