Home / 27,692.52-38,216.48-15,118.08

Finding the Fourth Proportional to 27,692.52, 38,216.48 and 15,118.08

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Solution

The fourth proportional to 27,692.52, 38,216.48 and 15,118.08 is: 20,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692.52 : 38,216.48 = 15,118.08 : x
  2. Step 2: Convert to fraction form
    27,692.52/38,216.48 = 15,118.08/x
  3. Step 3: Cross multiply
    27,692.52x = 38,216.48 × 15,118.08
  4. Step 4: Simplify right side
    27,692.52x = 577,759,801.96
  5. Step 5: Solve for x
    x = 577,759,801.96/27,692.52
  6. Step 6: Final answer
    x = 20,863.39

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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.