Home / 17,427.12-26,140.77-4,279.49

Finding the Fourth Proportional to 17,427.12, 26,140.77 and 4,279.49

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Solution

The fourth proportional to 17,427.12, 26,140.77 and 4,279.49 is: 6,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.12 : 26,140.77 = 4,279.49 : x
  2. Step 2: Convert to fraction form
    17,427.12/26,140.77 = 4,279.49/x
  3. Step 3: Cross multiply
    17,427.12x = 26,140.77 × 4,279.49
  4. Step 4: Simplify right side
    17,427.12x = 111,869,266.14
  5. Step 5: Solve for x
    x = 111,869,266.14/17,427.12
  6. Step 6: Final answer
    x = 6,419.26

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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.