Home / 28,166.76-38,855.13-17,417.66

Finding the Fourth Proportional to 28,166.76, 38,855.13 and 17,417.66

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Solution

The fourth proportional to 28,166.76, 38,855.13 and 17,417.66 is: 24,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.76 : 38,855.13 = 17,417.66 : x
  2. Step 2: Convert to fraction form
    28,166.76/38,855.13 = 17,417.66/x
  3. Step 3: Cross multiply
    28,166.76x = 38,855.13 × 17,417.66
  4. Step 4: Simplify right side
    28,166.76x = 676,765,249.32
  5. Step 5: Solve for x
    x = 676,765,249.32/28,166.76
  6. Step 6: Final answer
    x = 24,027.09

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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.