Home / 26,136.09-39,281.90-12,294.81

Finding the Fourth Proportional to 26,136.09, 39,281.90 and 12,294.81

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Solution

The fourth proportional to 26,136.09, 39,281.90 and 12,294.81 is: 18,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.09 : 39,281.90 = 12,294.81 : x
  2. Step 2: Convert to fraction form
    26,136.09/39,281.90 = 12,294.81/x
  3. Step 3: Cross multiply
    26,136.09x = 39,281.90 × 12,294.81
  4. Step 4: Simplify right side
    26,136.09x = 482,963,435.46
  5. Step 5: Solve for x
    x = 482,963,435.46/26,136.09
  6. Step 6: Final answer
    x = 18,478.79

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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.