Home / 26,910.28-37,142.10-15,587.56

Finding the Fourth Proportional to 26,910.28, 37,142.10 and 15,587.56

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Solution

The fourth proportional to 26,910.28, 37,142.10 and 15,587.56 is: 21,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.28 : 37,142.10 = 15,587.56 : x
  2. Step 2: Convert to fraction form
    26,910.28/37,142.10 = 15,587.56/x
  3. Step 3: Cross multiply
    26,910.28x = 37,142.10 × 15,587.56
  4. Step 4: Simplify right side
    26,910.28x = 578,954,712.28
  5. Step 5: Solve for x
    x = 578,954,712.28/26,910.28
  6. Step 6: Final answer
    x = 21,514.26

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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.