Home / 19,090.08-28,632.96-5,238

Finding the Fourth Proportional to 19,090.08, 28,632.96 and 5,238

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Solution

The fourth proportional to 19,090.08, 28,632.96 and 5,238 is: 7,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.08 : 28,632.96 = 5,238 : x
  2. Step 2: Convert to fraction form
    19,090.08/28,632.96 = 5,238/x
  3. Step 3: Cross multiply
    19,090.08x = 28,632.96 × 5,238
  4. Step 4: Simplify right side
    19,090.08x = 149,979,444.48
  5. Step 5: Solve for x
    x = 149,979,444.48/19,090.08
  6. Step 6: Final answer
    x = 7,856.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.