Home / 27,519.40-41,279.10-21,298.60

Finding the Fourth Proportional to 27,519.40, 41,279.10 and 21,298.60

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Solution

The fourth proportional to 27,519.40, 41,279.10 and 21,298.60 is: 31,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.40 : 41,279.10 = 21,298.60 : x
  2. Step 2: Convert to fraction form
    27,519.40/41,279.10 = 21,298.60/x
  3. Step 3: Cross multiply
    27,519.40x = 41,279.10 × 21,298.60
  4. Step 4: Simplify right side
    27,519.40x = 879,187,039.26
  5. Step 5: Solve for x
    x = 879,187,039.26/27,519.40
  6. Step 6: Final answer
    x = 31,947.90

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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.