Home / 28,883.86-39,859.32-16,137.29

Finding the Fourth Proportional to 28,883.86, 39,859.32 and 16,137.29

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Solution

The fourth proportional to 28,883.86, 39,859.32 and 16,137.29 is: 22,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.86 : 39,859.32 = 16,137.29 : x
  2. Step 2: Convert to fraction form
    28,883.86/39,859.32 = 16,137.29/x
  3. Step 3: Cross multiply
    28,883.86x = 39,859.32 × 16,137.29
  4. Step 4: Simplify right side
    28,883.86x = 643,221,566.21
  5. Step 5: Solve for x
    x = 643,221,566.21/28,883.86
  6. Step 6: Final answer
    x = 22,269.24

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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.