Home / 28,530.99-39,354.03-17,192.79

Finding the Fourth Proportional to 28,530.99, 39,354.03 and 17,192.79

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Solution

The fourth proportional to 28,530.99, 39,354.03 and 17,192.79 is: 23,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530.99 : 39,354.03 = 17,192.79 : x
  2. Step 2: Convert to fraction form
    28,530.99/39,354.03 = 17,192.79/x
  3. Step 3: Cross multiply
    28,530.99x = 39,354.03 × 17,192.79
  4. Step 4: Simplify right side
    28,530.99x = 676,605,573.44
  5. Step 5: Solve for x
    x = 676,605,573.44/28,530.99
  6. Step 6: Final answer
    x = 23,714.76

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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.