Home / 27,413.12-37,830.12-15,476.19

Finding the Fourth Proportional to 27,413.12, 37,830.12 and 15,476.19

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Solution

The fourth proportional to 27,413.12, 37,830.12 and 15,476.19 is: 21,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,413.12 : 37,830.12 = 15,476.19 : x
  2. Step 2: Convert to fraction form
    27,413.12/37,830.12 = 15,476.19/x
  3. Step 3: Cross multiply
    27,413.12x = 37,830.12 × 15,476.19
  4. Step 4: Simplify right side
    27,413.12x = 585,466,124.84
  5. Step 5: Solve for x
    x = 585,466,124.84/27,413.12
  6. Step 6: Final answer
    x = 21,357.15

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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.