Home / 25,398.96-38,113.02-19,836.69

Finding the Fourth Proportional to 25,398.96, 38,113.02 and 19,836.69

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Solution

The fourth proportional to 25,398.96, 38,113.02 and 19,836.69 is: 29,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398.96 : 38,113.02 = 19,836.69 : x
  2. Step 2: Convert to fraction form
    25,398.96/38,113.02 = 19,836.69/x
  3. Step 3: Cross multiply
    25,398.96x = 38,113.02 × 19,836.69
  4. Step 4: Simplify right side
    25,398.96x = 756,036,019.78
  5. Step 5: Solve for x
    x = 756,036,019.78/25,398.96
  6. Step 6: Final answer
    x = 29,766.42

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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.