Home / 26,237.91-39,324.06-20,669.26

Finding the Fourth Proportional to 26,237.91, 39,324.06 and 20,669.26

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Solution

The fourth proportional to 26,237.91, 39,324.06 and 20,669.26 is: 30,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,237.91 : 39,324.06 = 20,669.26 : x
  2. Step 2: Convert to fraction form
    26,237.91/39,324.06 = 20,669.26/x
  3. Step 3: Cross multiply
    26,237.91x = 39,324.06 × 20,669.26
  4. Step 4: Simplify right side
    26,237.91x = 812,799,220.40
  5. Step 5: Solve for x
    x = 812,799,220.40/26,237.91
  6. Step 6: Final answer
    x = 30,978.05

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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.