Home / 28,238.17-42,361.19-9,523.56

Finding the Fourth Proportional to 28,238.17, 42,361.19 and 9,523.56

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Solution

The fourth proportional to 28,238.17, 42,361.19 and 9,523.56 is: 14,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,238.17 : 42,361.19 = 9,523.56 : x
  2. Step 2: Convert to fraction form
    28,238.17/42,361.19 = 9,523.56/x
  3. Step 3: Cross multiply
    28,238.17x = 42,361.19 × 9,523.56
  4. Step 4: Simplify right side
    28,238.17x = 403,429,334.64
  5. Step 5: Solve for x
    x = 403,429,334.64/28,238.17
  6. Step 6: Final answer
    x = 14,286.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.