Home / 21,621.05-29,841.83-14,054.22

Finding the Fourth Proportional to 21,621.05, 29,841.83 and 14,054.22

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Solution

The fourth proportional to 21,621.05, 29,841.83 and 14,054.22 is: 19,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621.05 : 29,841.83 = 14,054.22 : x
  2. Step 2: Convert to fraction form
    21,621.05/29,841.83 = 14,054.22/x
  3. Step 3: Cross multiply
    21,621.05x = 29,841.83 × 14,054.22
  4. Step 4: Simplify right side
    21,621.05x = 419,403,573.75
  5. Step 5: Solve for x
    x = 419,403,573.75/21,621.05
  6. Step 6: Final answer
    x = 19,397.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.