Home / 27,317.52-40,890.24-18,834.40

Finding the Fourth Proportional to 27,317.52, 40,890.24 and 18,834.40

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Solution

The fourth proportional to 27,317.52, 40,890.24 and 18,834.40 is: 28,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.52 : 40,890.24 = 18,834.40 : x
  2. Step 2: Convert to fraction form
    27,317.52/40,890.24 = 18,834.40/x
  3. Step 3: Cross multiply
    27,317.52x = 40,890.24 × 18,834.40
  4. Step 4: Simplify right side
    27,317.52x = 770,143,136.26
  5. Step 5: Solve for x
    x = 770,143,136.26/27,317.52
  6. Step 6: Final answer
    x = 28,192.28

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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.