Home / 26,819.22-37,012.14-15,490.80

Finding the Fourth Proportional to 26,819.22, 37,012.14 and 15,490.80

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Solution

The fourth proportional to 26,819.22, 37,012.14 and 15,490.80 is: 21,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.22 : 37,012.14 = 15,490.80 : x
  2. Step 2: Convert to fraction form
    26,819.22/37,012.14 = 15,490.80/x
  3. Step 3: Cross multiply
    26,819.22x = 37,012.14 × 15,490.80
  4. Step 4: Simplify right side
    26,819.22x = 573,347,658.31
  5. Step 5: Solve for x
    x = 573,347,658.31/26,819.22
  6. Step 6: Final answer
    x = 21,378.24

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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.