Home / 31,804.68-47,728.88-11,028.18

Finding the Fourth Proportional to 31,804.68, 47,728.88 and 11,028.18

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Solution

The fourth proportional to 31,804.68, 47,728.88 and 11,028.18 is: 16,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.68 : 47,728.88 = 11,028.18 : x
  2. Step 2: Convert to fraction form
    31,804.68/47,728.88 = 11,028.18/x
  3. Step 3: Cross multiply
    31,804.68x = 47,728.88 × 11,028.18
  4. Step 4: Simplify right side
    31,804.68x = 526,362,679.84
  5. Step 5: Solve for x
    x = 526,362,679.84/31,804.68
  6. Step 6: Final answer
    x = 16,549.85

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1.5x scale

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.