Home / 28,584.54-42,869.88-11,935.53

Finding the Fourth Proportional to 28,584.54, 42,869.88 and 11,935.53

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Solution

The fourth proportional to 28,584.54, 42,869.88 and 11,935.53 is: 17,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.54 : 42,869.88 = 11,935.53 : x
  2. Step 2: Convert to fraction form
    28,584.54/42,869.88 = 11,935.53/x
  3. Step 3: Cross multiply
    28,584.54x = 42,869.88 × 11,935.53
  4. Step 4: Simplify right side
    28,584.54x = 511,674,738.84
  5. Step 5: Solve for x
    x = 511,674,738.84/28,584.54
  6. Step 6: Final answer
    x = 17,900.40

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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.