Home / 18,883.04-28,329-18,569.60

Finding the Fourth Proportional to 18,883.04, 28,329 and 18,569.60

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Solution

The fourth proportional to 18,883.04, 28,329 and 18,569.60 is: 27,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.04 : 28,329 = 18,569.60 : x
  2. Step 2: Convert to fraction form
    18,883.04/28,329 = 18,569.60/x
  3. Step 3: Cross multiply
    18,883.04x = 28,329 × 18,569.60
  4. Step 4: Simplify right side
    18,883.04x = 526,058,198.40
  5. Step 5: Solve for x
    x = 526,058,198.40/18,883.04
  6. Step 6: Final answer
    x = 27,858.77

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1.5x scale

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.