Home / 28,941.58-43,415.49-9,215.53

Finding the Fourth Proportional to 28,941.58, 43,415.49 and 9,215.53

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Solution

The fourth proportional to 28,941.58, 43,415.49 and 9,215.53 is: 13,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.58 : 43,415.49 = 9,215.53 : x
  2. Step 2: Convert to fraction form
    28,941.58/43,415.49 = 9,215.53/x
  3. Step 3: Cross multiply
    28,941.58x = 43,415.49 × 9,215.53
  4. Step 4: Simplify right side
    28,941.58x = 400,096,576.23
  5. Step 5: Solve for x
    x = 400,096,576.23/28,941.58
  6. Step 6: Final answer
    x = 13,824.28

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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.