Home / 19,017.97-28,528.59-4,977.94

Finding the Fourth Proportional to 19,017.97, 28,528.59 and 4,977.94

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Solution

The fourth proportional to 19,017.97, 28,528.59 and 4,977.94 is: 7,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.97 : 28,528.59 = 4,977.94 : x
  2. Step 2: Convert to fraction form
    19,017.97/28,528.59 = 4,977.94/x
  3. Step 3: Cross multiply
    19,017.97x = 28,528.59 × 4,977.94
  4. Step 4: Simplify right side
    19,017.97x = 142,013,466.66
  5. Step 5: Solve for x
    x = 142,013,466.66/19,017.97
  6. Step 6: Final answer
    x = 7,467.33

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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.