Home / 28,141.44-38,844-18,071.52

Finding the Fourth Proportional to 28,141.44, 38,844 and 18,071.52

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Solution

The fourth proportional to 28,141.44, 38,844 and 18,071.52 is: 24,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141.44 : 38,844 = 18,071.52 : x
  2. Step 2: Convert to fraction form
    28,141.44/38,844 = 18,071.52/x
  3. Step 3: Cross multiply
    28,141.44x = 38,844 × 18,071.52
  4. Step 4: Simplify right side
    28,141.44x = 701,970,122.88
  5. Step 5: Solve for x
    x = 701,970,122.88/28,141.44
  6. Step 6: Final answer
    x = 24,944.36

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Double scale
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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.