Home / 26,917.40-37,147.23-15,587.39

Finding the Fourth Proportional to 26,917.40, 37,147.23 and 15,587.39

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Solution

The fourth proportional to 26,917.40, 37,147.23 and 15,587.39 is: 21,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.40 : 37,147.23 = 15,587.39 : x
  2. Step 2: Convert to fraction form
    26,917.40/37,147.23 = 15,587.39/x
  3. Step 3: Cross multiply
    26,917.40x = 37,147.23 × 15,587.39
  4. Step 4: Simplify right side
    26,917.40x = 579,028,361.43
  5. Step 5: Solve for x
    x = 579,028,361.43/26,917.40
  6. Step 6: Final answer
    x = 21,511.30

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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.