Home / 26,279.69-39,425.48-8,750.21

Finding the Fourth Proportional to 26,279.69, 39,425.48 and 8,750.21

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Solution

The fourth proportional to 26,279.69, 39,425.48 and 8,750.21 is: 13,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.69 : 39,425.48 = 8,750.21 : x
  2. Step 2: Convert to fraction form
    26,279.69/39,425.48 = 8,750.21/x
  3. Step 3: Cross multiply
    26,279.69x = 39,425.48 × 8,750.21
  4. Step 4: Simplify right side
    26,279.69x = 344,980,988.47
  5. Step 5: Solve for x
    x = 344,980,988.47/26,279.69
  6. Step 6: Final answer
    x = 13,127.29

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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.