Home / 26,229.99-39,305.70-11,430.90

Finding the Fourth Proportional to 26,229.99, 39,305.70 and 11,430.90

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Solution

The fourth proportional to 26,229.99, 39,305.70 and 11,430.90 is: 17,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.99 : 39,305.70 = 11,430.90 : x
  2. Step 2: Convert to fraction form
    26,229.99/39,305.70 = 11,430.90/x
  3. Step 3: Cross multiply
    26,229.99x = 39,305.70 × 11,430.90
  4. Step 4: Simplify right side
    26,229.99x = 449,299,526.13
  5. Step 5: Solve for x
    x = 449,299,526.13/26,229.99
  6. Step 6: Final answer
    x = 17,129.23

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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.