Home / 27,865.28-41,811.59-13,075.39

Finding the Fourth Proportional to 27,865.28, 41,811.59 and 13,075.39

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Solution

The fourth proportional to 27,865.28, 41,811.59 and 13,075.39 is: 19,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,865.28 : 41,811.59 = 13,075.39 : x
  2. Step 2: Convert to fraction form
    27,865.28/41,811.59 = 13,075.39/x
  3. Step 3: Cross multiply
    27,865.28x = 41,811.59 × 13,075.39
  4. Step 4: Simplify right side
    27,865.28x = 546,702,845.77
  5. Step 5: Solve for x
    x = 546,702,845.77/27,865.28
  6. Step 6: Final answer
    x = 19,619.50

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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.