Home / 21,878.71-32,817.83-14,841.29

Finding the Fourth Proportional to 21,878.71, 32,817.83 and 14,841.29

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Solution

The fourth proportional to 21,878.71, 32,817.83 and 14,841.29 is: 22,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,878.71 : 32,817.83 = 14,841.29 : x
  2. Step 2: Convert to fraction form
    21,878.71/32,817.83 = 14,841.29/x
  3. Step 3: Cross multiply
    21,878.71x = 32,817.83 × 14,841.29
  4. Step 4: Simplify right side
    21,878.71x = 487,058,940.04
  5. Step 5: Solve for x
    x = 487,058,940.04/21,878.71
  6. Step 6: Final answer
    x = 22,261.78

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1.5x scale

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.