Home / 31,804.16-47,728.12-11,027.66

Finding the Fourth Proportional to 31,804.16, 47,728.12 and 11,027.66

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Solution

The fourth proportional to 31,804.16, 47,728.12 and 11,027.66 is: 16,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.16 : 47,728.12 = 11,027.66 : x
  2. Step 2: Convert to fraction form
    31,804.16/47,728.12 = 11,027.66/x
  3. Step 3: Cross multiply
    31,804.16x = 47,728.12 × 11,027.66
  4. Step 4: Simplify right side
    31,804.16x = 526,329,479.80
  5. Step 5: Solve for x
    x = 526,329,479.80/31,804.16
  6. Step 6: Final answer
    x = 16,549.08

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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.