Home / 28,587.88-39,451.27-16,012.63

Finding the Fourth Proportional to 28,587.88, 39,451.27 and 16,012.63

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Solution

The fourth proportional to 28,587.88, 39,451.27 and 16,012.63 is: 22,097.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.88 : 39,451.27 = 16,012.63 : x
  2. Step 2: Convert to fraction form
    28,587.88/39,451.27 = 16,012.63/x
  3. Step 3: Cross multiply
    28,587.88x = 39,451.27 × 16,012.63
  4. Step 4: Simplify right side
    28,587.88x = 631,718,392.28
  5. Step 5: Solve for x
    x = 631,718,392.28/28,587.88
  6. Step 6: Final answer
    x = 22,097.42

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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.