Home / 38,204.39-52,728.35-21,214.06

Finding the Fourth Proportional to 38,204.39, 52,728.35 and 21,214.06

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Solution

The fourth proportional to 38,204.39, 52,728.35 and 21,214.06 is: 29,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,204.39 : 52,728.35 = 21,214.06 : x
  2. Step 2: Convert to fraction form
    38,204.39/52,728.35 = 21,214.06/x
  3. Step 3: Cross multiply
    38,204.39x = 52,728.35 × 21,214.06
  4. Step 4: Simplify right side
    38,204.39x = 1,118,582,142.71
  5. Step 5: Solve for x
    x = 1,118,582,142.71/38,204.39
  6. Step 6: Final answer
    x = 29,278.89

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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.