Home / 27,499.50-37,890.72-18,531.45

Finding the Fourth Proportional to 27,499.50, 37,890.72 and 18,531.45

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Solution

The fourth proportional to 27,499.50, 37,890.72 and 18,531.45 is: 25,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,499.50 : 37,890.72 = 18,531.45 : x
  2. Step 2: Convert to fraction form
    27,499.50/37,890.72 = 18,531.45/x
  3. Step 3: Cross multiply
    27,499.50x = 37,890.72 × 18,531.45
  4. Step 4: Simplify right side
    27,499.50x = 702,169,983.14
  5. Step 5: Solve for x
    x = 702,169,983.14/27,499.50
  6. Step 6: Final answer
    x = 25,533.92

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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.