Home / 28,767.22-39,698.70-16,191.94

Finding the Fourth Proportional to 28,767.22, 39,698.70 and 16,191.94

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Solution

The fourth proportional to 28,767.22, 39,698.70 and 16,191.94 is: 22,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.22 : 39,698.70 = 16,191.94 : x
  2. Step 2: Convert to fraction form
    28,767.22/39,698.70 = 16,191.94/x
  3. Step 3: Cross multiply
    28,767.22x = 39,698.70 × 16,191.94
  4. Step 4: Simplify right side
    28,767.22x = 642,798,968.48
  5. Step 5: Solve for x
    x = 642,798,968.48/28,767.22
  6. Step 6: Final answer
    x = 22,344.84

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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.