Home / 27,813.88-38,379.78-16,483.72

Finding the Fourth Proportional to 27,813.88, 38,379.78 and 16,483.72

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Solution

The fourth proportional to 27,813.88, 38,379.78 and 16,483.72 is: 22,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.88 : 38,379.78 = 16,483.72 : x
  2. Step 2: Convert to fraction form
    27,813.88/38,379.78 = 16,483.72/x
  3. Step 3: Cross multiply
    27,813.88x = 38,379.78 × 16,483.72
  4. Step 4: Simplify right side
    27,813.88x = 632,641,547.18
  5. Step 5: Solve for x
    x = 632,641,547.18/27,813.88
  6. Step 6: Final answer
    x = 22,745.53

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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.