Home / 28,670.00-39,565.91-15,923.24

Finding the Fourth Proportional to 28,670.00, 39,565.91 and 15,923.24

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Solution

The fourth proportional to 28,670.00, 39,565.91 and 15,923.24 is: 21,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.00 : 39,565.91 = 15,923.24 : x
  2. Step 2: Convert to fraction form
    28,670.00/39,565.91 = 15,923.24/x
  3. Step 3: Cross multiply
    28,670.00x = 39,565.91 × 15,923.24
  4. Step 4: Simplify right side
    28,670.00x = 630,017,322.73
  5. Step 5: Solve for x
    x = 630,017,322.73/28,670.00
  6. Step 6: Final answer
    x = 21,974.80

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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.