Home / 28,544.14-39,406.74-17,216.50

Finding the Fourth Proportional to 28,544.14, 39,406.74 and 17,216.50

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Solution

The fourth proportional to 28,544.14, 39,406.74 and 17,216.50 is: 23,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.14 : 39,406.74 = 17,216.50 : x
  2. Step 2: Convert to fraction form
    28,544.14/39,406.74 = 17,216.50/x
  3. Step 3: Cross multiply
    28,544.14x = 39,406.74 × 17,216.50
  4. Step 4: Simplify right side
    28,544.14x = 678,446,139.21
  5. Step 5: Solve for x
    x = 678,446,139.21/28,544.14
  6. Step 6: Final answer
    x = 23,768.32

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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.