Home / 27,920.16-38,523.60-16,588.80

Finding the Fourth Proportional to 27,920.16, 38,523.60 and 16,588.80

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Solution

The fourth proportional to 27,920.16, 38,523.60 and 16,588.80 is: 22,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.16 : 38,523.60 = 16,588.80 : x
  2. Step 2: Convert to fraction form
    27,920.16/38,523.60 = 16,588.80/x
  3. Step 3: Cross multiply
    27,920.16x = 38,523.60 × 16,588.80
  4. Step 4: Simplify right side
    27,920.16x = 639,060,295.68
  5. Step 5: Solve for x
    x = 639,060,295.68/27,920.16
  6. Step 6: Final answer
    x = 22,888.85

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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.