Home / 28,960.74-39,965.00-17,023.37

Finding the Fourth Proportional to 28,960.74, 39,965.00 and 17,023.37

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Solution

The fourth proportional to 28,960.74, 39,965.00 and 17,023.37 is: 23,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960.74 : 39,965.00 = 17,023.37 : x
  2. Step 2: Convert to fraction form
    28,960.74/39,965.00 = 17,023.37/x
  3. Step 3: Cross multiply
    28,960.74x = 39,965.00 × 17,023.37
  4. Step 4: Simplify right side
    28,960.74x = 680,338,697.11
  5. Step 5: Solve for x
    x = 680,338,697.11/28,960.74
  6. Step 6: Final answer
    x = 23,491.76

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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.