Home / 38,318.28-52,879.26-21,324.07

Finding the Fourth Proportional to 38,318.28, 52,879.26 and 21,324.07

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Solution

The fourth proportional to 38,318.28, 52,879.26 and 21,324.07 is: 29,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.28 : 52,879.26 = 21,324.07 : x
  2. Step 2: Convert to fraction form
    38,318.28/52,879.26 = 21,324.07/x
  3. Step 3: Cross multiply
    38,318.28x = 52,879.26 × 21,324.07
  4. Step 4: Simplify right side
    38,318.28x = 1,127,601,041.79
  5. Step 5: Solve for x
    x = 1,127,601,041.79/38,318.28
  6. Step 6: Final answer
    x = 29,427.24

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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.