Home / 28,856.81-43,284.93-15,536.03

Finding the Fourth Proportional to 28,856.81, 43,284.93 and 15,536.03

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Solution

The fourth proportional to 28,856.81, 43,284.93 and 15,536.03 is: 23,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.81 : 43,284.93 = 15,536.03 : x
  2. Step 2: Convert to fraction form
    28,856.81/43,284.93 = 15,536.03/x
  3. Step 3: Cross multiply
    28,856.81x = 43,284.93 × 15,536.03
  4. Step 4: Simplify right side
    28,856.81x = 672,475,754.60
  5. Step 5: Solve for x
    x = 672,475,754.60/28,856.81
  6. Step 6: Final answer
    x = 23,303.89

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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.