Home / 27,607.72-38,100.16-16,283.84

Finding the Fourth Proportional to 27,607.72, 38,100.16 and 16,283.84

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Solution

The fourth proportional to 27,607.72, 38,100.16 and 16,283.84 is: 22,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,607.72 : 38,100.16 = 16,283.84 : x
  2. Step 2: Convert to fraction form
    27,607.72/38,100.16 = 16,283.84/x
  3. Step 3: Cross multiply
    27,607.72x = 38,100.16 × 16,283.84
  4. Step 4: Simplify right side
    27,607.72x = 620,416,909.41
  5. Step 5: Solve for x
    x = 620,416,909.41/27,607.72
  6. Step 6: Final answer
    x = 22,472.59

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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.