Home / 28,003.89-38,645.34-16,066.71

Finding the Fourth Proportional to 28,003.89, 38,645.34 and 16,066.71

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Solution

The fourth proportional to 28,003.89, 38,645.34 and 16,066.71 is: 22,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.89 : 38,645.34 = 16,066.71 : x
  2. Step 2: Convert to fraction form
    28,003.89/38,645.34 = 16,066.71/x
  3. Step 3: Cross multiply
    28,003.89x = 38,645.34 × 16,066.71
  4. Step 4: Simplify right side
    28,003.89x = 620,903,470.63
  5. Step 5: Solve for x
    x = 620,903,470.63/28,003.89
  6. Step 6: Final answer
    x = 22,172.04

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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.