Home / 28,619.23-39,489.45-17,281.13

Finding the Fourth Proportional to 28,619.23, 39,489.45 and 17,281.13

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Solution

The fourth proportional to 28,619.23, 39,489.45 and 17,281.13 is: 23,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,619.23 : 39,489.45 = 17,281.13 : x
  2. Step 2: Convert to fraction form
    28,619.23/39,489.45 = 17,281.13/x
  3. Step 3: Cross multiply
    28,619.23x = 39,489.45 × 17,281.13
  4. Step 4: Simplify right side
    28,619.23x = 682,422,252.06
  5. Step 5: Solve for x
    x = 682,422,252.06/28,619.23
  6. Step 6: Final answer
    x = 23,844.89

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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.