Home / 27,136.90-40,711.16-8,416.53

Finding the Fourth Proportional to 27,136.90, 40,711.16 and 8,416.53

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Solution

The fourth proportional to 27,136.90, 40,711.16 and 8,416.53 is: 12,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.90 : 40,711.16 = 8,416.53 : x
  2. Step 2: Convert to fraction form
    27,136.90/40,711.16 = 8,416.53/x
  3. Step 3: Cross multiply
    27,136.90x = 40,711.16 × 8,416.53
  4. Step 4: Simplify right side
    27,136.90x = 342,646,699.47
  5. Step 5: Solve for x
    x = 342,646,699.47/27,136.90
  6. Step 6: Final answer
    x = 12,626.60

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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.