Home / 38,204.33-52,728.21-21,214.07

Finding the Fourth Proportional to 38,204.33, 52,728.21 and 21,214.07

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Solution

The fourth proportional to 38,204.33, 52,728.21 and 21,214.07 is: 29,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,204.33 : 52,728.21 = 21,214.07 : x
  2. Step 2: Convert to fraction form
    38,204.33/52,728.21 = 21,214.07/x
  3. Step 3: Cross multiply
    38,204.33x = 52,728.21 × 21,214.07
  4. Step 4: Simplify right side
    38,204.33x = 1,118,579,674.27
  5. Step 5: Solve for x
    x = 1,118,579,674.27/38,204.33
  6. Step 6: Final answer
    x = 29,278.88

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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.