Home / 28,762.14-39,704.00-19,336.17

Finding the Fourth Proportional to 28,762.14, 39,704.00 and 19,336.17

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Solution

The fourth proportional to 28,762.14, 39,704.00 and 19,336.17 is: 26,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.14 : 39,704.00 = 19,336.17 : x
  2. Step 2: Convert to fraction form
    28,762.14/39,704.00 = 19,336.17/x
  3. Step 3: Cross multiply
    28,762.14x = 39,704.00 × 19,336.17
  4. Step 4: Simplify right side
    28,762.14x = 767,723,176.94
  5. Step 5: Solve for x
    x = 767,723,176.94/28,762.14
  6. Step 6: Final answer
    x = 26,692.15

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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.