Home / 20,237.98-27,927.09-11,284.95

Finding the Fourth Proportional to 20,237.98, 27,927.09 and 11,284.95

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Solution

The fourth proportional to 20,237.98, 27,927.09 and 11,284.95 is: 15,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.98 : 27,927.09 = 11,284.95 : x
  2. Step 2: Convert to fraction form
    20,237.98/27,927.09 = 11,284.95/x
  3. Step 3: Cross multiply
    20,237.98x = 27,927.09 × 11,284.95
  4. Step 4: Simplify right side
    20,237.98x = 315,155,814.30
  5. Step 5: Solve for x
    x = 315,155,814.30/20,237.98
  6. Step 6: Final answer
    x = 15,572.50

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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.