Home / 27,915.66-38,517.48-16,588.86

Finding the Fourth Proportional to 27,915.66, 38,517.48 and 16,588.86

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Solution

The fourth proportional to 27,915.66, 38,517.48 and 16,588.86 is: 22,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.66 : 38,517.48 = 16,588.86 : x
  2. Step 2: Convert to fraction form
    27,915.66/38,517.48 = 16,588.86/x
  3. Step 3: Cross multiply
    27,915.66x = 38,517.48 × 16,588.86
  4. Step 4: Simplify right side
    27,915.66x = 638,961,083.27
  5. Step 5: Solve for x
    x = 638,961,083.27/27,915.66
  6. Step 6: Final answer
    x = 22,888.98

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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.