Home / 28,644.56-39,528.24-17,316.80

Finding the Fourth Proportional to 28,644.56, 39,528.24 and 17,316.80

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Solution

The fourth proportional to 28,644.56, 39,528.24 and 17,316.80 is: 23,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.56 : 39,528.24 = 17,316.80 : x
  2. Step 2: Convert to fraction form
    28,644.56/39,528.24 = 17,316.80/x
  3. Step 3: Cross multiply
    28,644.56x = 39,528.24 × 17,316.80
  4. Step 4: Simplify right side
    28,644.56x = 684,502,626.43
  5. Step 5: Solve for x
    x = 684,502,626.43/28,644.56
  6. Step 6: Final answer
    x = 23,896.43

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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.