Home / 27,413.28-37,828.20-15,477.81

Finding the Fourth Proportional to 27,413.28, 37,828.20 and 15,477.81

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Solution

The fourth proportional to 27,413.28, 37,828.20 and 15,477.81 is: 21,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,413.28 : 37,828.20 = 15,477.81 : x
  2. Step 2: Convert to fraction form
    27,413.28/37,828.20 = 15,477.81/x
  3. Step 3: Cross multiply
    27,413.28x = 37,828.20 × 15,477.81
  4. Step 4: Simplify right side
    27,413.28x = 585,497,692.24
  5. Step 5: Solve for x
    x = 585,497,692.24/27,413.28
  6. Step 6: Final answer
    x = 21,358.18

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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.