Home / 27,558.12-38,028.88-14,982.86

Finding the Fourth Proportional to 27,558.12, 38,028.88 and 14,982.86

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Solution

The fourth proportional to 27,558.12, 38,028.88 and 14,982.86 is: 20,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,558.12 : 38,028.88 = 14,982.86 : x
  2. Step 2: Convert to fraction form
    27,558.12/38,028.88 = 14,982.86/x
  3. Step 3: Cross multiply
    27,558.12x = 38,028.88 × 14,982.86
  4. Step 4: Simplify right side
    27,558.12x = 569,781,385.00
  5. Step 5: Solve for x
    x = 569,781,385.00/27,558.12
  6. Step 6: Final answer
    x = 20,675.63

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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.