Home / 26,105.31-35,998.09-15,492.89

Finding the Fourth Proportional to 26,105.31, 35,998.09 and 15,492.89

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Solution

The fourth proportional to 26,105.31, 35,998.09 and 15,492.89 is: 21,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.31 : 35,998.09 = 15,492.89 : x
  2. Step 2: Convert to fraction form
    26,105.31/35,998.09 = 15,492.89/x
  3. Step 3: Cross multiply
    26,105.31x = 35,998.09 × 15,492.89
  4. Step 4: Simplify right side
    26,105.31x = 557,714,499.84
  5. Step 5: Solve for x
    x = 557,714,499.84/26,105.31
  6. Step 6: Final answer
    x = 21,364.03

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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.