Home / 27,480.78-37,928.87-16,153.93

Finding the Fourth Proportional to 27,480.78, 37,928.87 and 16,153.93

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Solution

The fourth proportional to 27,480.78, 37,928.87 and 16,153.93 is: 22,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.78 : 37,928.87 = 16,153.93 : x
  2. Step 2: Convert to fraction form
    27,480.78/37,928.87 = 16,153.93/x
  3. Step 3: Cross multiply
    27,480.78x = 37,928.87 × 16,153.93
  4. Step 4: Simplify right side
    27,480.78x = 612,700,230.19
  5. Step 5: Solve for x
    x = 612,700,230.19/27,480.78
  6. Step 6: Final answer
    x = 22,295.60

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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.