Home / 27,894.08-38,477.76-16,709.60

Finding the Fourth Proportional to 27,894.08, 38,477.76 and 16,709.60

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Solution

The fourth proportional to 27,894.08, 38,477.76 and 16,709.60 is: 23,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,894.08 : 38,477.76 = 16,709.60 : x
  2. Step 2: Convert to fraction form
    27,894.08/38,477.76 = 16,709.60/x
  3. Step 3: Cross multiply
    27,894.08x = 38,477.76 × 16,709.60
  4. Step 4: Simplify right side
    27,894.08x = 642,947,978.50
  5. Step 5: Solve for x
    x = 642,947,978.50/27,894.08
  6. Step 6: Final answer
    x = 23,049.62

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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.