Home / 27,659.52-38,165.76-16,485.12

Finding the Fourth Proportional to 27,659.52, 38,165.76 and 16,485.12

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Solution

The fourth proportional to 27,659.52, 38,165.76 and 16,485.12 is: 22,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.52 : 38,165.76 = 16,485.12 : x
  2. Step 2: Convert to fraction form
    27,659.52/38,165.76 = 16,485.12/x
  3. Step 3: Cross multiply
    27,659.52x = 38,165.76 × 16,485.12
  4. Step 4: Simplify right side
    27,659.52x = 629,167,133.49
  5. Step 5: Solve for x
    x = 629,167,133.49/27,659.52
  6. Step 6: Final answer
    x = 22,746.86

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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.