Home / 26,435.98-39,649.47-8,666.29

Finding the Fourth Proportional to 26,435.98, 39,649.47 and 8,666.29

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Solution

The fourth proportional to 26,435.98, 39,649.47 and 8,666.29 is: 12,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.98 : 39,649.47 = 8,666.29 : x
  2. Step 2: Convert to fraction form
    26,435.98/39,649.47 = 8,666.29/x
  3. Step 3: Cross multiply
    26,435.98x = 39,649.47 × 8,666.29
  4. Step 4: Simplify right side
    26,435.98x = 343,613,805.37
  5. Step 5: Solve for x
    x = 343,613,805.37/26,435.98
  6. Step 6: Final answer
    x = 12,997.96

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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.