Home / 27,582.85-38,065.08-15,647.99

Finding the Fourth Proportional to 27,582.85, 38,065.08 and 15,647.99

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Solution

The fourth proportional to 27,582.85, 38,065.08 and 15,647.99 is: 21,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,582.85 : 38,065.08 = 15,647.99 : x
  2. Step 2: Convert to fraction form
    27,582.85/38,065.08 = 15,647.99/x
  3. Step 3: Cross multiply
    27,582.85x = 38,065.08 × 15,647.99
  4. Step 4: Simplify right side
    27,582.85x = 595,641,749.52
  5. Step 5: Solve for x
    x = 595,641,749.52/27,582.85
  6. Step 6: Final answer
    x = 21,594.64

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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.