Home / 27,836.84-38,413.19-16,507.42

Finding the Fourth Proportional to 27,836.84, 38,413.19 and 16,507.42

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Solution

The fourth proportional to 27,836.84, 38,413.19 and 16,507.42 is: 22,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.84 : 38,413.19 = 16,507.42 : x
  2. Step 2: Convert to fraction form
    27,836.84/38,413.19 = 16,507.42/x
  3. Step 3: Cross multiply
    27,836.84x = 38,413.19 × 16,507.42
  4. Step 4: Simplify right side
    27,836.84x = 634,102,606.11
  5. Step 5: Solve for x
    x = 634,102,606.11/27,836.84
  6. Step 6: Final answer
    x = 22,779.26

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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.