Home / 28,936.55-39,932.22-16,189.67

Finding the Fourth Proportional to 28,936.55, 39,932.22 and 16,189.67

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Solution

The fourth proportional to 28,936.55, 39,932.22 and 16,189.67 is: 22,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.55 : 39,932.22 = 16,189.67 : x
  2. Step 2: Convert to fraction form
    28,936.55/39,932.22 = 16,189.67/x
  3. Step 3: Cross multiply
    28,936.55x = 39,932.22 × 16,189.67
  4. Step 4: Simplify right side
    28,936.55x = 646,489,264.51
  5. Step 5: Solve for x
    x = 646,489,264.51/28,936.55
  6. Step 6: Final answer
    x = 22,341.62

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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.