Home / 28,634.86-39,507.14-16,533.76

Finding the Fourth Proportional to 28,634.86, 39,507.14 and 16,533.76

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Solution

The fourth proportional to 28,634.86, 39,507.14 and 16,533.76 is: 22,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.86 : 39,507.14 = 16,533.76 : x
  2. Step 2: Convert to fraction form
    28,634.86/39,507.14 = 16,533.76/x
  3. Step 3: Cross multiply
    28,634.86x = 39,507.14 × 16,533.76
  4. Step 4: Simplify right side
    28,634.86x = 653,201,571.05
  5. Step 5: Solve for x
    x = 653,201,571.05/28,634.86
  6. Step 6: Final answer
    x = 22,811.41

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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.