Home / 28,626.08-39,506.02-15,883.44

Finding the Fourth Proportional to 28,626.08, 39,506.02 and 15,883.44

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Solution

The fourth proportional to 28,626.08, 39,506.02 and 15,883.44 is: 21,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.08 : 39,506.02 = 15,883.44 : x
  2. Step 2: Convert to fraction form
    28,626.08/39,506.02 = 15,883.44/x
  3. Step 3: Cross multiply
    28,626.08x = 39,506.02 × 15,883.44
  4. Step 4: Simplify right side
    28,626.08x = 627,491,498.31
  5. Step 5: Solve for x
    x = 627,491,498.31/28,626.08
  6. Step 6: Final answer
    x = 21,920.27

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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.