Home / 27,782.19-38,340.35-15,206.94

Finding the Fourth Proportional to 27,782.19, 38,340.35 and 15,206.94

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Solution

The fourth proportional to 27,782.19, 38,340.35 and 15,206.94 is: 20,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,782.19 : 38,340.35 = 15,206.94 : x
  2. Step 2: Convert to fraction form
    27,782.19/38,340.35 = 15,206.94/x
  3. Step 3: Cross multiply
    27,782.19x = 38,340.35 × 15,206.94
  4. Step 4: Simplify right side
    27,782.19x = 583,039,325.99
  5. Step 5: Solve for x
    x = 583,039,325.99/27,782.19
  6. Step 6: Final answer
    x = 20,986.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.