Home / 28,603.50-39,474.99-16,029.06

Finding the Fourth Proportional to 28,603.50, 39,474.99 and 16,029.06

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Solution

The fourth proportional to 28,603.50, 39,474.99 and 16,029.06 is: 22,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.50 : 39,474.99 = 16,029.06 : x
  2. Step 2: Convert to fraction form
    28,603.50/39,474.99 = 16,029.06/x
  3. Step 3: Cross multiply
    28,603.50x = 39,474.99 × 16,029.06
  4. Step 4: Simplify right side
    28,603.50x = 632,746,983.21
  5. Step 5: Solve for x
    x = 632,746,983.21/28,603.50
  6. Step 6: Final answer
    x = 22,121.31

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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.