Home / 28,889.93-39,864.09-16,141.52

Finding the Fourth Proportional to 28,889.93, 39,864.09 and 16,141.52

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Solution

The fourth proportional to 28,889.93, 39,864.09 and 16,141.52 is: 22,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.93 : 39,864.09 = 16,141.52 : x
  2. Step 2: Convert to fraction form
    28,889.93/39,864.09 = 16,141.52/x
  3. Step 3: Cross multiply
    28,889.93x = 39,864.09 × 16,141.52
  4. Step 4: Simplify right side
    28,889.93x = 643,467,006.02
  5. Step 5: Solve for x
    x = 643,467,006.02/28,889.93
  6. Step 6: Final answer
    x = 22,273.06

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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.