Home / 19,327.18-26,725.20-15,341.37

Finding the Fourth Proportional to 19,327.18, 26,725.20 and 15,341.37

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Solution

The fourth proportional to 19,327.18, 26,725.20 and 15,341.37 is: 21,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.18 : 26,725.20 = 15,341.37 : x
  2. Step 2: Convert to fraction form
    19,327.18/26,725.20 = 15,341.37/x
  3. Step 3: Cross multiply
    19,327.18x = 26,725.20 × 15,341.37
  4. Step 4: Simplify right side
    19,327.18x = 410,001,181.52
  5. Step 5: Solve for x
    x = 410,001,181.52/19,327.18
  6. Step 6: Final answer
    x = 21,213.71

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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.