Home / 28,754.38-39,664.80-17,266.36

Finding the Fourth Proportional to 28,754.38, 39,664.80 and 17,266.36

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Solution

The fourth proportional to 28,754.38, 39,664.80 and 17,266.36 is: 23,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.38 : 39,664.80 = 17,266.36 : x
  2. Step 2: Convert to fraction form
    28,754.38/39,664.80 = 17,266.36/x
  3. Step 3: Cross multiply
    28,754.38x = 39,664.80 × 17,266.36
  4. Step 4: Simplify right side
    28,754.38x = 684,866,716.13
  5. Step 5: Solve for x
    x = 684,866,716.13/28,754.38
  6. Step 6: Final answer
    x = 23,817.82

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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.