Home / 28,587.24-39,450.97-16,651.35

Finding the Fourth Proportional to 28,587.24, 39,450.97 and 16,651.35

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Solution

The fourth proportional to 28,587.24, 39,450.97 and 16,651.35 is: 22,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.24 : 39,450.97 = 16,651.35 : x
  2. Step 2: Convert to fraction form
    28,587.24/39,450.97 = 16,651.35/x
  3. Step 3: Cross multiply
    28,587.24x = 39,450.97 × 16,651.35
  4. Step 4: Simplify right side
    28,587.24x = 656,911,859.88
  5. Step 5: Solve for x
    x = 656,911,859.88/28,587.24
  6. Step 6: Final answer
    x = 22,979.20

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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.