Home / 28,835.46-39,792.87-16,260.12

Finding the Fourth Proportional to 28,835.46, 39,792.87 and 16,260.12

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Solution

The fourth proportional to 28,835.46, 39,792.87 and 16,260.12 is: 22,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.46 : 39,792.87 = 16,260.12 : x
  2. Step 2: Convert to fraction form
    28,835.46/39,792.87 = 16,260.12/x
  3. Step 3: Cross multiply
    28,835.46x = 39,792.87 × 16,260.12
  4. Step 4: Simplify right side
    28,835.46x = 647,036,841.34
  5. Step 5: Solve for x
    x = 647,036,841.34/28,835.46
  6. Step 6: Final answer
    x = 22,438.93

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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.