Home / 28,386.27-39,171.18-17,049.03

Finding the Fourth Proportional to 28,386.27, 39,171.18 and 17,049.03

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Solution

The fourth proportional to 28,386.27, 39,171.18 and 17,049.03 is: 23,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386.27 : 39,171.18 = 17,049.03 : x
  2. Step 2: Convert to fraction form
    28,386.27/39,171.18 = 17,049.03/x
  3. Step 3: Cross multiply
    28,386.27x = 39,171.18 × 17,049.03
  4. Step 4: Simplify right side
    28,386.27x = 667,830,736.36
  5. Step 5: Solve for x
    x = 667,830,736.36/28,386.27
  6. Step 6: Final answer
    x = 23,526.54

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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.