Home / 28,859.33-39,819.10-17,528.51

Finding the Fourth Proportional to 28,859.33, 39,819.10 and 17,528.51

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Solution

The fourth proportional to 28,859.33, 39,819.10 and 17,528.51 is: 24,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.33 : 39,819.10 = 17,528.51 : x
  2. Step 2: Convert to fraction form
    28,859.33/39,819.10 = 17,528.51/x
  3. Step 3: Cross multiply
    28,859.33x = 39,819.10 × 17,528.51
  4. Step 4: Simplify right side
    28,859.33x = 697,969,492.54
  5. Step 5: Solve for x
    x = 697,969,492.54/28,859.33
  6. Step 6: Final answer
    x = 24,185.23

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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.