Home / 28,701.25-43,051.81-7,924.69

Finding the Fourth Proportional to 28,701.25, 43,051.81 and 7,924.69

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Solution

The fourth proportional to 28,701.25, 43,051.81 and 7,924.69 is: 11,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.25 : 43,051.81 = 7,924.69 : x
  2. Step 2: Convert to fraction form
    28,701.25/43,051.81 = 7,924.69/x
  3. Step 3: Cross multiply
    28,701.25x = 43,051.81 × 7,924.69
  4. Step 4: Simplify right side
    28,701.25x = 341,172,248.19
  5. Step 5: Solve for x
    x = 341,172,248.19/28,701.25
  6. Step 6: Final answer
    x = 11,887.02

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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.