Home / 27,431.99-37,856.48-16,101.71

Finding the Fourth Proportional to 27,431.99, 37,856.48 and 16,101.71

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Solution

The fourth proportional to 27,431.99, 37,856.48 and 16,101.71 is: 22,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.99 : 37,856.48 = 16,101.71 : x
  2. Step 2: Convert to fraction form
    27,431.99/37,856.48 = 16,101.71/x
  3. Step 3: Cross multiply
    27,431.99x = 37,856.48 × 16,101.71
  4. Step 4: Simplify right side
    27,431.99x = 609,553,792.79
  5. Step 5: Solve for x
    x = 609,553,792.79/27,431.99
  6. Step 6: Final answer
    x = 22,220.55

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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.