Home / 27,890.08-38,472.24-16,705.60

Finding the Fourth Proportional to 27,890.08, 38,472.24 and 16,705.60

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Solution

The fourth proportional to 27,890.08, 38,472.24 and 16,705.60 is: 23,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.08 : 38,472.24 = 16,705.60 : x
  2. Step 2: Convert to fraction form
    27,890.08/38,472.24 = 16,705.60/x
  3. Step 3: Cross multiply
    27,890.08x = 38,472.24 × 16,705.60
  4. Step 4: Simplify right side
    27,890.08x = 642,701,852.54
  5. Step 5: Solve for x
    x = 642,701,852.54/27,890.08
  6. Step 6: Final answer
    x = 23,044.10

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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.