Home / 26,618.82-39,928.77-17,870.82

Finding the Fourth Proportional to 26,618.82, 39,928.77 and 17,870.82

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Solution

The fourth proportional to 26,618.82, 39,928.77 and 17,870.82 is: 26,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.82 : 39,928.77 = 17,870.82 : x
  2. Step 2: Convert to fraction form
    26,618.82/39,928.77 = 17,870.82/x
  3. Step 3: Cross multiply
    26,618.82x = 39,928.77 × 17,870.82
  4. Step 4: Simplify right side
    26,618.82x = 713,559,861.49
  5. Step 5: Solve for x
    x = 713,559,861.49/26,618.82
  6. Step 6: Final answer
    x = 26,806.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.