Home / 26,136.32-39,209.33-12,285.32

Finding the Fourth Proportional to 26,136.32, 39,209.33 and 12,285.32

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Solution

The fourth proportional to 26,136.32, 39,209.33 and 12,285.32 is: 18,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.32 : 39,209.33 = 12,285.32 : x
  2. Step 2: Convert to fraction form
    26,136.32/39,209.33 = 12,285.32/x
  3. Step 3: Cross multiply
    26,136.32x = 39,209.33 × 12,285.32
  4. Step 4: Simplify right side
    26,136.32x = 481,699,104.61
  5. Step 5: Solve for x
    x = 481,699,104.61/26,136.32
  6. Step 6: Final answer
    x = 18,430.26

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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.