Home / 28,816.93-39,767.54-16,070.92

Finding the Fourth Proportional to 28,816.93, 39,767.54 and 16,070.92

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Solution

The fourth proportional to 28,816.93, 39,767.54 and 16,070.92 is: 22,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.93 : 39,767.54 = 16,070.92 : x
  2. Step 2: Convert to fraction form
    28,816.93/39,767.54 = 16,070.92/x
  3. Step 3: Cross multiply
    28,816.93x = 39,767.54 × 16,070.92
  4. Step 4: Simplify right side
    28,816.93x = 639,100,674.74
  5. Step 5: Solve for x
    x = 639,100,674.74/28,816.93
  6. Step 6: Final answer
    x = 22,177.96

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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.