Home / 28,950.24-39,952.80-16,379.04

Finding the Fourth Proportional to 28,950.24, 39,952.80 and 16,379.04

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Solution

The fourth proportional to 28,950.24, 39,952.80 and 16,379.04 is: 22,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.24 : 39,952.80 = 16,379.04 : x
  2. Step 2: Convert to fraction form
    28,950.24/39,952.80 = 16,379.04/x
  3. Step 3: Cross multiply
    28,950.24x = 39,952.80 × 16,379.04
  4. Step 4: Simplify right side
    28,950.24x = 654,388,509.31
  5. Step 5: Solve for x
    x = 654,388,509.31/28,950.24
  6. Step 6: Final answer
    x = 22,603.91

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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.