Home / 28,908.32-43,361.84-13,325.94

Finding the Fourth Proportional to 28,908.32, 43,361.84 and 13,325.94

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Solution

The fourth proportional to 28,908.32, 43,361.84 and 13,325.94 is: 19,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.32 : 43,361.84 = 13,325.94 : x
  2. Step 2: Convert to fraction form
    28,908.32/43,361.84 = 13,325.94/x
  3. Step 3: Cross multiply
    28,908.32x = 43,361.84 × 13,325.94
  4. Step 4: Simplify right side
    28,908.32x = 577,837,311.44
  5. Step 5: Solve for x
    x = 577,837,311.44/28,908.32
  6. Step 6: Final answer
    x = 19,988.62

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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.