Home / 27,231.93-37,581.57-16,618.50

Finding the Fourth Proportional to 27,231.93, 37,581.57 and 16,618.50

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Solution

The fourth proportional to 27,231.93, 37,581.57 and 16,618.50 is: 22,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.93 : 37,581.57 = 16,618.50 : x
  2. Step 2: Convert to fraction form
    27,231.93/37,581.57 = 16,618.50/x
  3. Step 3: Cross multiply
    27,231.93x = 37,581.57 × 16,618.50
  4. Step 4: Simplify right side
    27,231.93x = 624,549,321.05
  5. Step 5: Solve for x
    x = 624,549,321.05/27,231.93
  6. Step 6: Final answer
    x = 22,934.45

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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.