Home / 38,523.40-57,782.46-10,821.40

Finding the Fourth Proportional to 38,523.40, 57,782.46 and 10,821.40

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Solution

The fourth proportional to 38,523.40, 57,782.46 and 10,821.40 is: 16,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523.40 : 57,782.46 = 10,821.40 : x
  2. Step 2: Convert to fraction form
    38,523.40/57,782.46 = 10,821.40/x
  3. Step 3: Cross multiply
    38,523.40x = 57,782.46 × 10,821.40
  4. Step 4: Simplify right side
    38,523.40x = 625,287,112.64
  5. Step 5: Solve for x
    x = 625,287,112.64/38,523.40
  6. Step 6: Final answer
    x = 16,231.36

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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.