Home / 26,817.60-37,009.90-15,489.16

Finding the Fourth Proportional to 26,817.60, 37,009.90 and 15,489.16

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Solution

The fourth proportional to 26,817.60, 37,009.90 and 15,489.16 is: 21,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,817.60 : 37,009.90 = 15,489.16 : x
  2. Step 2: Convert to fraction form
    26,817.60/37,009.90 = 15,489.16/x
  3. Step 3: Cross multiply
    26,817.60x = 37,009.90 × 15,489.16
  4. Step 4: Simplify right side
    26,817.60x = 573,252,262.68
  5. Step 5: Solve for x
    x = 573,252,262.68/26,817.60
  6. Step 6: Final answer
    x = 21,375.97

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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.