Home / 28,126.44-38,814.57-16,189.56

Finding the Fourth Proportional to 28,126.44, 38,814.57 and 16,189.56

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Solution

The fourth proportional to 28,126.44, 38,814.57 and 16,189.56 is: 22,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.44 : 38,814.57 = 16,189.56 : x
  2. Step 2: Convert to fraction form
    28,126.44/38,814.57 = 16,189.56/x
  3. Step 3: Cross multiply
    28,126.44x = 38,814.57 × 16,189.56
  4. Step 4: Simplify right side
    28,126.44x = 628,390,809.89
  5. Step 5: Solve for x
    x = 628,390,809.89/28,126.44
  6. Step 6: Final answer
    x = 22,341.64

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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.