Home / 21,080.65-29,032.41-17,511.30

Finding the Fourth Proportional to 21,080.65, 29,032.41 and 17,511.30

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Solution

The fourth proportional to 21,080.65, 29,032.41 and 17,511.30 is: 24,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080.65 : 29,032.41 = 17,511.30 : x
  2. Step 2: Convert to fraction form
    21,080.65/29,032.41 = 17,511.30/x
  3. Step 3: Cross multiply
    21,080.65x = 29,032.41 × 17,511.30
  4. Step 4: Simplify right side
    21,080.65x = 508,395,241.23
  5. Step 5: Solve for x
    x = 508,395,241.23/21,080.65
  6. Step 6: Final answer
    x = 24,116.68

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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.