Home / 28,783.65-39,731.41-16,850.84

Finding the Fourth Proportional to 28,783.65, 39,731.41 and 16,850.84

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Solution

The fourth proportional to 28,783.65, 39,731.41 and 16,850.84 is: 23,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.65 : 39,731.41 = 16,850.84 : x
  2. Step 2: Convert to fraction form
    28,783.65/39,731.41 = 16,850.84/x
  3. Step 3: Cross multiply
    28,783.65x = 39,731.41 × 16,850.84
  4. Step 4: Simplify right side
    28,783.65x = 669,507,455.29
  5. Step 5: Solve for x
    x = 669,507,455.29/28,783.65
  6. Step 6: Final answer
    x = 23,259.99

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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.