Home / 28,784.16-39,727.74-16,208.94

Finding the Fourth Proportional to 28,784.16, 39,727.74 and 16,208.94

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Solution

The fourth proportional to 28,784.16, 39,727.74 and 16,208.94 is: 22,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.16 : 39,727.74 = 16,208.94 : x
  2. Step 2: Convert to fraction form
    28,784.16/39,727.74 = 16,208.94/x
  3. Step 3: Cross multiply
    28,784.16x = 39,727.74 × 16,208.94
  4. Step 4: Simplify right side
    28,784.16x = 643,944,554.00
  5. Step 5: Solve for x
    x = 643,944,554.00/28,784.16
  6. Step 6: Final answer
    x = 22,371.49

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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.