Home / 28,904.16-43,359.13-7,844.55

Finding the Fourth Proportional to 28,904.16, 43,359.13 and 7,844.55

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Solution

The fourth proportional to 28,904.16, 43,359.13 and 7,844.55 is: 11,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.16 : 43,359.13 = 7,844.55 : x
  2. Step 2: Convert to fraction form
    28,904.16/43,359.13 = 7,844.55/x
  3. Step 3: Cross multiply
    28,904.16x = 43,359.13 × 7,844.55
  4. Step 4: Simplify right side
    28,904.16x = 340,132,710.45
  5. Step 5: Solve for x
    x = 340,132,710.45/28,904.16
  6. Step 6: Final answer
    x = 11,767.60

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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.