Home / 28,932.53-39,921.44-16,991.51

Finding the Fourth Proportional to 28,932.53, 39,921.44 and 16,991.51

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Solution

The fourth proportional to 28,932.53, 39,921.44 and 16,991.51 is: 23,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.53 : 39,921.44 = 16,991.51 : x
  2. Step 2: Convert to fraction form
    28,932.53/39,921.44 = 16,991.51/x
  3. Step 3: Cross multiply
    28,932.53x = 39,921.44 × 16,991.51
  4. Step 4: Simplify right side
    28,932.53x = 678,325,262.41
  5. Step 5: Solve for x
    x = 678,325,262.41/28,932.53
  6. Step 6: Final answer
    x = 23,445.08

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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.