Home / 26,490.32-39,723.34-15,821.56

Finding the Fourth Proportional to 26,490.32, 39,723.34 and 15,821.56

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Solution

The fourth proportional to 26,490.32, 39,723.34 and 15,821.56 is: 23,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.32 : 39,723.34 = 15,821.56 : x
  2. Step 2: Convert to fraction form
    26,490.32/39,723.34 = 15,821.56/x
  3. Step 3: Cross multiply
    26,490.32x = 39,723.34 × 15,821.56
  4. Step 4: Simplify right side
    26,490.32x = 628,485,207.21
  5. Step 5: Solve for x
    x = 628,485,207.21/26,490.32
  6. Step 6: Final answer
    x = 23,725.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.