Home / 28,859-39,821.44-17,530.88

Finding the Fourth Proportional to 28,859, 39,821.44 and 17,530.88

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Solution

The fourth proportional to 28,859, 39,821.44 and 17,530.88 is: 24,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859 : 39,821.44 = 17,530.88 : x
  2. Step 2: Convert to fraction form
    28,859/39,821.44 = 17,530.88/x
  3. Step 3: Cross multiply
    28,859x = 39,821.44 × 17,530.88
  4. Step 4: Simplify right side
    28,859x = 698,104,886.07
  5. Step 5: Solve for x
    x = 698,104,886.07/28,859
  6. Step 6: Final answer
    x = 24,190.20

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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.