Home / 28,730.00-43,005.89-15,549.68

Finding the Fourth Proportional to 28,730.00, 43,005.89 and 15,549.68

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Solution

The fourth proportional to 28,730.00, 43,005.89 and 15,549.68 is: 23,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.00 : 43,005.89 = 15,549.68 : x
  2. Step 2: Convert to fraction form
    28,730.00/43,005.89 = 15,549.68/x
  3. Step 3: Cross multiply
    28,730.00x = 43,005.89 × 15,549.68
  4. Step 4: Simplify right side
    28,730.00x = 668,727,651.46
  5. Step 5: Solve for x
    x = 668,727,651.46/28,730.00
  6. Step 6: Final answer
    x = 23,276.29

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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.