Home / 27,401.43-37,814.57-15,136.81

Finding the Fourth Proportional to 27,401.43, 37,814.57 and 15,136.81

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Solution

The fourth proportional to 27,401.43, 37,814.57 and 15,136.81 is: 20,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,401.43 : 37,814.57 = 15,136.81 : x
  2. Step 2: Convert to fraction form
    27,401.43/37,814.57 = 15,136.81/x
  3. Step 3: Cross multiply
    27,401.43x = 37,814.57 × 15,136.81
  4. Step 4: Simplify right side
    27,401.43x = 572,391,961.32
  5. Step 5: Solve for x
    x = 572,391,961.32/27,401.43
  6. Step 6: Final answer
    x = 20,889.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.