Home / 26,089.18-39,136.60-8,315.65

Finding the Fourth Proportional to 26,089.18, 39,136.60 and 8,315.65

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Solution

The fourth proportional to 26,089.18, 39,136.60 and 8,315.65 is: 12,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,089.18 : 39,136.60 = 8,315.65 : x
  2. Step 2: Convert to fraction form
    26,089.18/39,136.60 = 8,315.65/x
  3. Step 3: Cross multiply
    26,089.18x = 39,136.60 × 8,315.65
  4. Step 4: Simplify right side
    26,089.18x = 325,446,267.79
  5. Step 5: Solve for x
    x = 325,446,267.79/26,089.18
  6. Step 6: Final answer
    x = 12,474.38

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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.