Home / 28,632.12-39,512.25-16,057.14

Finding the Fourth Proportional to 28,632.12, 39,512.25 and 16,057.14

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Solution

The fourth proportional to 28,632.12, 39,512.25 and 16,057.14 is: 22,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.12 : 39,512.25 = 16,057.14 : x
  2. Step 2: Convert to fraction form
    28,632.12/39,512.25 = 16,057.14/x
  3. Step 3: Cross multiply
    28,632.12x = 39,512.25 × 16,057.14
  4. Step 4: Simplify right side
    28,632.12x = 634,453,729.97
  5. Step 5: Solve for x
    x = 634,453,729.97/28,632.12
  6. Step 6: Final answer
    x = 22,158.81

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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.