Home / 26,144.84-39,222.12-8,615.36

Finding the Fourth Proportional to 26,144.84, 39,222.12 and 8,615.36

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Solution

The fourth proportional to 26,144.84, 39,222.12 and 8,615.36 is: 12,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,144.84 : 39,222.12 = 8,615.36 : x
  2. Step 2: Convert to fraction form
    26,144.84/39,222.12 = 8,615.36/x
  3. Step 3: Cross multiply
    26,144.84x = 39,222.12 × 8,615.36
  4. Step 4: Simplify right side
    26,144.84x = 337,912,683.76
  5. Step 5: Solve for x
    x = 337,912,683.76/26,144.84
  6. Step 6: Final answer
    x = 12,924.64

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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.