Home / 18,862.49-28,406.58-17,181.01

Finding the Fourth Proportional to 18,862.49, 28,406.58 and 17,181.01

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Solution

The fourth proportional to 18,862.49, 28,406.58 and 17,181.01 is: 25,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.49 : 28,406.58 = 17,181.01 : x
  2. Step 2: Convert to fraction form
    18,862.49/28,406.58 = 17,181.01/x
  3. Step 3: Cross multiply
    18,862.49x = 28,406.58 × 17,181.01
  4. Step 4: Simplify right side
    18,862.49x = 488,053,664.03
  5. Step 5: Solve for x
    x = 488,053,664.03/18,862.49
  6. Step 6: Final answer
    x = 25,874.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.