Home / 27,687.50-41,530.86-12,888.14

Finding the Fourth Proportional to 27,687.50, 41,530.86 and 12,888.14

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Solution

The fourth proportional to 27,687.50, 41,530.86 and 12,888.14 is: 19,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.50 : 41,530.86 = 12,888.14 : x
  2. Step 2: Convert to fraction form
    27,687.50/41,530.86 = 12,888.14/x
  3. Step 3: Cross multiply
    27,687.50x = 41,530.86 × 12,888.14
  4. Step 4: Simplify right side
    27,687.50x = 535,255,538.00
  5. Step 5: Solve for x
    x = 535,255,538.00/27,687.50
  6. Step 6: Final answer
    x = 19,332.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.