Home / 29,515.32-44,285.10-21,657.90

Finding the Fourth Proportional to 29,515.32, 44,285.10 and 21,657.90

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Solution

The fourth proportional to 29,515.32, 44,285.10 and 21,657.90 is: 32,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.32 : 44,285.10 = 21,657.90 : x
  2. Step 2: Convert to fraction form
    29,515.32/44,285.10 = 21,657.90/x
  3. Step 3: Cross multiply
    29,515.32x = 44,285.10 × 21,657.90
  4. Step 4: Simplify right side
    29,515.32x = 959,122,267.29
  5. Step 5: Solve for x
    x = 959,122,267.29/29,515.32
  6. Step 6: Final answer
    x = 32,495.74

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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.