Home / 28,284.72-39,043.80-18,849.84

Finding the Fourth Proportional to 28,284.72, 39,043.80 and 18,849.84

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Solution

The fourth proportional to 28,284.72, 39,043.80 and 18,849.84 is: 26,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.72 : 39,043.80 = 18,849.84 : x
  2. Step 2: Convert to fraction form
    28,284.72/39,043.80 = 18,849.84/x
  3. Step 3: Cross multiply
    28,284.72x = 39,043.80 × 18,849.84
  4. Step 4: Simplify right side
    28,284.72x = 735,969,382.99
  5. Step 5: Solve for x
    x = 735,969,382.99/28,284.72
  6. Step 6: Final answer
    x = 26,020.03

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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.