Home / 28,684.13-39,583.23-15,937.26

Finding the Fourth Proportional to 28,684.13, 39,583.23 and 15,937.26

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Solution

The fourth proportional to 28,684.13, 39,583.23 and 15,937.26 is: 21,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.13 : 39,583.23 = 15,937.26 : x
  2. Step 2: Convert to fraction form
    28,684.13/39,583.23 = 15,937.26/x
  3. Step 3: Cross multiply
    28,684.13x = 39,583.23 × 15,937.26
  4. Step 4: Simplify right side
    28,684.13x = 630,848,109.60
  5. Step 5: Solve for x
    x = 630,848,109.60/28,684.13
  6. Step 6: Final answer
    x = 21,992.94

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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.