Home / 28,936.23-39,932.73-16,188.99

Finding the Fourth Proportional to 28,936.23, 39,932.73 and 16,188.99

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Solution

The fourth proportional to 28,936.23, 39,932.73 and 16,188.99 is: 22,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.23 : 39,932.73 = 16,188.99 : x
  2. Step 2: Convert to fraction form
    28,936.23/39,932.73 = 16,188.99/x
  3. Step 3: Cross multiply
    28,936.23x = 39,932.73 × 16,188.99
  4. Step 4: Simplify right side
    28,936.23x = 646,470,566.64
  5. Step 5: Solve for x
    x = 646,470,566.64/28,936.23
  6. Step 6: Final answer
    x = 22,341.22

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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.