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Finding the Fourth Proportional to 27,572, 38,049.54 and 14,996.84

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Solution

The fourth proportional to 27,572, 38,049.54 and 14,996.84 is: 20,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572 : 38,049.54 = 14,996.84 : x
  2. Step 2: Convert to fraction form
    27,572/38,049.54 = 14,996.84/x
  3. Step 3: Cross multiply
    27,572x = 38,049.54 × 14,996.84
  4. Step 4: Simplify right side
    27,572x = 570,622,863.45
  5. Step 5: Solve for x
    x = 570,622,863.45/27,572
  6. Step 6: Final answer
    x = 20,695.74

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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.