Home / 26,427.48-39,649.86-10,858.20

Finding the Fourth Proportional to 26,427.48, 39,649.86 and 10,858.20

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Solution

The fourth proportional to 26,427.48, 39,649.86 and 10,858.20 is: 16,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.48 : 39,649.86 = 10,858.20 : x
  2. Step 2: Convert to fraction form
    26,427.48/39,649.86 = 10,858.20/x
  3. Step 3: Cross multiply
    26,427.48x = 39,649.86 × 10,858.20
  4. Step 4: Simplify right side
    26,427.48x = 430,526,109.85
  5. Step 5: Solve for x
    x = 430,526,109.85/26,427.48
  6. Step 6: Final answer
    x = 16,290.85

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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.