Home / 38,315.43-57,398.40-21,624.97

Finding the Fourth Proportional to 38,315.43, 57,398.40 and 21,624.97

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Solution

The fourth proportional to 38,315.43, 57,398.40 and 21,624.97 is: 32,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.43 : 57,398.40 = 21,624.97 : x
  2. Step 2: Convert to fraction form
    38,315.43/57,398.40 = 21,624.97/x
  3. Step 3: Cross multiply
    38,315.43x = 57,398.40 × 21,624.97
  4. Step 4: Simplify right side
    38,315.43x = 1,241,238,678.05
  5. Step 5: Solve for x
    x = 1,241,238,678.05/38,315.43
  6. Step 6: Final answer
    x = 32,395.27

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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.