Home / 28,891.77-39,867.44-16,316.52

Finding the Fourth Proportional to 28,891.77, 39,867.44 and 16,316.52

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Solution

The fourth proportional to 28,891.77, 39,867.44 and 16,316.52 is: 22,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.77 : 39,867.44 = 16,316.52 : x
  2. Step 2: Convert to fraction form
    28,891.77/39,867.44 = 16,316.52/x
  3. Step 3: Cross multiply
    28,891.77x = 39,867.44 × 16,316.52
  4. Step 4: Simplify right side
    28,891.77x = 650,497,800.53
  5. Step 5: Solve for x
    x = 650,497,800.53/28,891.77
  6. Step 6: Final answer
    x = 22,514.99

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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.