Home / 28,816.58-39,767.05-16,070.57

Finding the Fourth Proportional to 28,816.58, 39,767.05 and 16,070.57

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Solution

The fourth proportional to 28,816.58, 39,767.05 and 16,070.57 is: 22,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.58 : 39,767.05 = 16,070.57 : x
  2. Step 2: Convert to fraction form
    28,816.58/39,767.05 = 16,070.57/x
  3. Step 3: Cross multiply
    28,816.58x = 39,767.05 × 16,070.57
  4. Step 4: Simplify right side
    28,816.58x = 639,078,961.88
  5. Step 5: Solve for x
    x = 639,078,961.88/28,816.58
  6. Step 6: Final answer
    x = 22,177.48

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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.