Home / 19,299.35-28,927.89-9,939.93

Finding the Fourth Proportional to 19,299.35, 28,927.89 and 9,939.93

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Solution

The fourth proportional to 19,299.35, 28,927.89 and 9,939.93 is: 14,899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.35 : 28,927.89 = 9,939.93 : x
  2. Step 2: Convert to fraction form
    19,299.35/28,927.89 = 9,939.93/x
  3. Step 3: Cross multiply
    19,299.35x = 28,927.89 × 9,939.93
  4. Step 4: Simplify right side
    19,299.35x = 287,541,201.65
  5. Step 5: Solve for x
    x = 287,541,201.65/19,299.35
  6. Step 6: Final answer
    x = 14,899.01

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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.