Home / 27,580.66-38,061.57-16,400.50

Finding the Fourth Proportional to 27,580.66, 38,061.57 and 16,400.50

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Solution

The fourth proportional to 27,580.66, 38,061.57 and 16,400.50 is: 22,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.66 : 38,061.57 = 16,400.50 : x
  2. Step 2: Convert to fraction form
    27,580.66/38,061.57 = 16,400.50/x
  3. Step 3: Cross multiply
    27,580.66x = 38,061.57 × 16,400.50
  4. Step 4: Simplify right side
    27,580.66x = 624,228,778.79
  5. Step 5: Solve for x
    x = 624,228,778.79/27,580.66
  6. Step 6: Final answer
    x = 22,632.84

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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.