Home / 19,448.78-28,977.35-18,175.73

Finding the Fourth Proportional to 19,448.78, 28,977.35 and 18,175.73

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Solution

The fourth proportional to 19,448.78, 28,977.35 and 18,175.73 is: 27,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.78 : 28,977.35 = 18,175.73 : x
  2. Step 2: Convert to fraction form
    19,448.78/28,977.35 = 18,175.73/x
  3. Step 3: Cross multiply
    19,448.78x = 28,977.35 × 18,175.73
  4. Step 4: Simplify right side
    19,448.78x = 526,684,253.95
  5. Step 5: Solve for x
    x = 526,684,253.95/19,448.78
  6. Step 6: Final answer
    x = 27,080.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.