Home / 26,006.72-35,873.88-15,939.68

Finding the Fourth Proportional to 26,006.72, 35,873.88 and 15,939.68

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Solution

The fourth proportional to 26,006.72, 35,873.88 and 15,939.68 is: 21,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,006.72 : 35,873.88 = 15,939.68 : x
  2. Step 2: Convert to fraction form
    26,006.72/35,873.88 = 15,939.68/x
  3. Step 3: Cross multiply
    26,006.72x = 35,873.88 × 15,939.68
  4. Step 4: Simplify right side
    26,006.72x = 571,818,167.56
  5. Step 5: Solve for x
    x = 571,818,167.56/26,006.72
  6. Step 6: Final answer
    x = 21,987.32

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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.