Home / 27,965.01-38,590.53-15,218.25

Finding the Fourth Proportional to 27,965.01, 38,590.53 and 15,218.25

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Solution

The fourth proportional to 27,965.01, 38,590.53 and 15,218.25 is: 21,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.01 : 38,590.53 = 15,218.25 : x
  2. Step 2: Convert to fraction form
    27,965.01/38,590.53 = 15,218.25/x
  3. Step 3: Cross multiply
    27,965.01x = 38,590.53 × 15,218.25
  4. Step 4: Simplify right side
    27,965.01x = 587,280,333.17
  5. Step 5: Solve for x
    x = 587,280,333.17/27,965.01
  6. Step 6: Final answer
    x = 21,000.54

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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.