Home / 28,752.03-39,677.85-16,813.17

Finding the Fourth Proportional to 28,752.03, 39,677.85 and 16,813.17

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Solution

The fourth proportional to 28,752.03, 39,677.85 and 16,813.17 is: 23,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.03 : 39,677.85 = 16,813.17 : x
  2. Step 2: Convert to fraction form
    28,752.03/39,677.85 = 16,813.17/x
  3. Step 3: Cross multiply
    28,752.03x = 39,677.85 × 16,813.17
  4. Step 4: Simplify right side
    28,752.03x = 667,110,437.28
  5. Step 5: Solve for x
    x = 667,110,437.28/28,752.03
  6. Step 6: Final answer
    x = 23,202.20

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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.