Home / 28,823.58-39,778.83-16,080.93

Finding the Fourth Proportional to 28,823.58, 39,778.83 and 16,080.93

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Solution

The fourth proportional to 28,823.58, 39,778.83 and 16,080.93 is: 22,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.58 : 39,778.83 = 16,080.93 : x
  2. Step 2: Convert to fraction form
    28,823.58/39,778.83 = 16,080.93/x
  3. Step 3: Cross multiply
    28,823.58x = 39,778.83 × 16,080.93
  4. Step 4: Simplify right side
    28,823.58x = 639,680,580.71
  5. Step 5: Solve for x
    x = 639,680,580.71/28,823.58
  6. Step 6: Final answer
    x = 22,192.96

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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.