Home / 26,149.48-39,223.88-6,428.21

Finding the Fourth Proportional to 26,149.48, 39,223.88 and 6,428.21

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Solution

The fourth proportional to 26,149.48, 39,223.88 and 6,428.21 is: 9,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.48 : 39,223.88 = 6,428.21 : x
  2. Step 2: Convert to fraction form
    26,149.48/39,223.88 = 6,428.21/x
  3. Step 3: Cross multiply
    26,149.48x = 39,223.88 × 6,428.21
  4. Step 4: Simplify right side
    26,149.48x = 252,139,255.67
  5. Step 5: Solve for x
    x = 252,139,255.67/26,149.48
  6. Step 6: Final answer
    x = 9,642.23

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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.