Home / 38,218.44-57,328.32-13,259.36

Finding the Fourth Proportional to 38,218.44, 57,328.32 and 13,259.36

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Solution

The fourth proportional to 38,218.44, 57,328.32 and 13,259.36 is: 19,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.44 : 57,328.32 = 13,259.36 : x
  2. Step 2: Convert to fraction form
    38,218.44/57,328.32 = 13,259.36/x
  3. Step 3: Cross multiply
    38,218.44x = 57,328.32 × 13,259.36
  4. Step 4: Simplify right side
    38,218.44x = 760,136,833.08
  5. Step 5: Solve for x
    x = 760,136,833.08/38,218.44
  6. Step 6: Final answer
    x = 19,889.27

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1.5x scale

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.