Home / 28,756.53-43,140.24-11,225.25

Finding the Fourth Proportional to 28,756.53, 43,140.24 and 11,225.25

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Solution

The fourth proportional to 28,756.53, 43,140.24 and 11,225.25 is: 16,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.53 : 43,140.24 = 11,225.25 : x
  2. Step 2: Convert to fraction form
    28,756.53/43,140.24 = 11,225.25/x
  3. Step 3: Cross multiply
    28,756.53x = 43,140.24 × 11,225.25
  4. Step 4: Simplify right side
    28,756.53x = 484,259,979.06
  5. Step 5: Solve for x
    x = 484,259,979.06/28,756.53
  6. Step 6: Final answer
    x = 16,840.00

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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.