Home / 27,970.89-41,936.79-13,165.50

Finding the Fourth Proportional to 27,970.89, 41,936.79 and 13,165.50

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Solution

The fourth proportional to 27,970.89, 41,936.79 and 13,165.50 is: 19,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.89 : 41,936.79 = 13,165.50 : x
  2. Step 2: Convert to fraction form
    27,970.89/41,936.79 = 13,165.50/x
  3. Step 3: Cross multiply
    27,970.89x = 41,936.79 × 13,165.50
  4. Step 4: Simplify right side
    27,970.89x = 552,118,808.75
  5. Step 5: Solve for x
    x = 552,118,808.75/27,970.89
  6. Step 6: Final answer
    x = 19,739.05

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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.