Home / 26,917.28-37,147.06-15,587.27

Finding the Fourth Proportional to 26,917.28, 37,147.06 and 15,587.27

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Solution

The fourth proportional to 26,917.28, 37,147.06 and 15,587.27 is: 21,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.28 : 37,147.06 = 15,587.27 : x
  2. Step 2: Convert to fraction form
    26,917.28/37,147.06 = 15,587.27/x
  3. Step 3: Cross multiply
    26,917.28x = 37,147.06 × 15,587.27
  4. Step 4: Simplify right side
    26,917.28x = 579,020,990.25
  5. Step 5: Solve for x
    x = 579,020,990.25/26,917.28
  6. Step 6: Final answer
    x = 21,511.13

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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.