Home / 28,860.83-39,821.17-17,530.01

Finding the Fourth Proportional to 28,860.83, 39,821.17 and 17,530.01

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Solution

The fourth proportional to 28,860.83, 39,821.17 and 17,530.01 is: 24,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.83 : 39,821.17 = 17,530.01 : x
  2. Step 2: Convert to fraction form
    28,860.83/39,821.17 = 17,530.01/x
  3. Step 3: Cross multiply
    28,860.83x = 39,821.17 × 17,530.01
  4. Step 4: Simplify right side
    28,860.83x = 698,065,508.31
  5. Step 5: Solve for x
    x = 698,065,508.31/28,860.83
  6. Step 6: Final answer
    x = 24,187.30

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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.