Home / 28,124.66-38,812.06-16,190.33

Finding the Fourth Proportional to 28,124.66, 38,812.06 and 16,190.33

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Solution

The fourth proportional to 28,124.66, 38,812.06 and 16,190.33 is: 22,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.66 : 38,812.06 = 16,190.33 : x
  2. Step 2: Convert to fraction form
    28,124.66/38,812.06 = 16,190.33/x
  3. Step 3: Cross multiply
    28,124.66x = 38,812.06 × 16,190.33
  4. Step 4: Simplify right side
    28,124.66x = 628,379,885.56
  5. Step 5: Solve for x
    x = 628,379,885.56/28,124.66
  6. Step 6: Final answer
    x = 22,342.66

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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.