Home / 28,763.25-39,694.91-16,188.81

Finding the Fourth Proportional to 28,763.25, 39,694.91 and 16,188.81

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Solution

The fourth proportional to 28,763.25, 39,694.91 and 16,188.81 is: 22,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.25 : 39,694.91 = 16,188.81 : x
  2. Step 2: Convert to fraction form
    28,763.25/39,694.91 = 16,188.81/x
  3. Step 3: Cross multiply
    28,763.25x = 39,694.91 × 16,188.81
  4. Step 4: Simplify right side
    28,763.25x = 642,613,275.01
  5. Step 5: Solve for x
    x = 642,613,275.01/28,763.25
  6. Step 6: Final answer
    x = 22,341.47

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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.