Home / 26,256.41-39,371.82-8,720.31

Finding the Fourth Proportional to 26,256.41, 39,371.82 and 8,720.31

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Solution

The fourth proportional to 26,256.41, 39,371.82 and 8,720.31 is: 13,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,256.41 : 39,371.82 = 8,720.31 : x
  2. Step 2: Convert to fraction form
    26,256.41/39,371.82 = 8,720.31/x
  3. Step 3: Cross multiply
    26,256.41x = 39,371.82 × 8,720.31
  4. Step 4: Simplify right side
    26,256.41x = 343,334,475.66
  5. Step 5: Solve for x
    x = 343,334,475.66/26,256.41
  6. Step 6: Final answer
    x = 13,076.22

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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.