Home / 28,840.90-43,217.52-21,410.50

Finding the Fourth Proportional to 28,840.90, 43,217.52 and 21,410.50

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Solution

The fourth proportional to 28,840.90, 43,217.52 and 21,410.50 is: 32,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.90 : 43,217.52 = 21,410.50 : x
  2. Step 2: Convert to fraction form
    28,840.90/43,217.52 = 21,410.50/x
  3. Step 3: Cross multiply
    28,840.90x = 43,217.52 × 21,410.50
  4. Step 4: Simplify right side
    28,840.90x = 925,308,711.96
  5. Step 5: Solve for x
    x = 925,308,711.96/28,840.90
  6. Step 6: Final answer
    x = 32,083.21

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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.