Home / 26,139.48-39,214.62-8,610.36

Finding the Fourth Proportional to 26,139.48, 39,214.62 and 8,610.36

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Solution

The fourth proportional to 26,139.48, 39,214.62 and 8,610.36 is: 12,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.48 : 39,214.62 = 8,610.36 : x
  2. Step 2: Convert to fraction form
    26,139.48/39,214.62 = 8,610.36/x
  3. Step 3: Cross multiply
    26,139.48x = 39,214.62 × 8,610.36
  4. Step 4: Simplify right side
    26,139.48x = 337,651,995.46
  5. Step 5: Solve for x
    x = 337,651,995.46/26,139.48
  6. Step 6: Final answer
    x = 12,917.32

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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.