Home / 28,363.05-39,194.99-21,277.17

Finding the Fourth Proportional to 28,363.05, 39,194.99 and 21,277.17

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Solution

The fourth proportional to 28,363.05, 39,194.99 and 21,277.17 is: 29,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.05 : 39,194.99 = 21,277.17 : x
  2. Step 2: Convert to fraction form
    28,363.05/39,194.99 = 21,277.17/x
  3. Step 3: Cross multiply
    28,363.05x = 39,194.99 × 21,277.17
  4. Step 4: Simplify right side
    28,363.05x = 833,958,358.99
  5. Step 5: Solve for x
    x = 833,958,358.99/28,363.05
  6. Step 6: Final answer
    x = 29,402.99

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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.