Home / 28,186.40-38,817.96-23,427.56

Finding the Fourth Proportional to 28,186.40, 38,817.96 and 23,427.56

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Solution

The fourth proportional to 28,186.40, 38,817.96 and 23,427.56 is: 32,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.40 : 38,817.96 = 23,427.56 : x
  2. Step 2: Convert to fraction form
    28,186.40/38,817.96 = 23,427.56/x
  3. Step 3: Cross multiply
    28,186.40x = 38,817.96 × 23,427.56
  4. Step 4: Simplify right side
    28,186.40x = 909,410,086.98
  5. Step 5: Solve for x
    x = 909,410,086.98/28,186.40
  6. Step 6: Final answer
    x = 32,264.14

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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.