Home / 28,910.32-39,894.93-16,163.35

Finding the Fourth Proportional to 28,910.32, 39,894.93 and 16,163.35

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Solution

The fourth proportional to 28,910.32, 39,894.93 and 16,163.35 is: 22,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.32 : 39,894.93 = 16,163.35 : x
  2. Step 2: Convert to fraction form
    28,910.32/39,894.93 = 16,163.35/x
  3. Step 3: Cross multiply
    28,910.32x = 39,894.93 × 16,163.35
  4. Step 4: Simplify right side
    28,910.32x = 644,835,617.08
  5. Step 5: Solve for x
    x = 644,835,617.08/28,910.32
  6. Step 6: Final answer
    x = 22,304.69

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1.5x scale

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.