Home / 28,401.28-39,209.45-17,073.51

Finding the Fourth Proportional to 28,401.28, 39,209.45 and 17,073.51

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Solution

The fourth proportional to 28,401.28, 39,209.45 and 17,073.51 is: 23,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.28 : 39,209.45 = 17,073.51 : x
  2. Step 2: Convert to fraction form
    28,401.28/39,209.45 = 17,073.51/x
  3. Step 3: Cross multiply
    28,401.28x = 39,209.45 × 17,073.51
  4. Step 4: Simplify right side
    28,401.28x = 669,442,936.67
  5. Step 5: Solve for x
    x = 669,442,936.67/28,401.28
  6. Step 6: Final answer
    x = 23,570.87

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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.