Home / 28,782.62-39,709.10-17,447.98

Finding the Fourth Proportional to 28,782.62, 39,709.10 and 17,447.98

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Solution

The fourth proportional to 28,782.62, 39,709.10 and 17,447.98 is: 24,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.62 : 39,709.10 = 17,447.98 : x
  2. Step 2: Convert to fraction form
    28,782.62/39,709.10 = 17,447.98/x
  3. Step 3: Cross multiply
    28,782.62x = 39,709.10 × 17,447.98
  4. Step 4: Simplify right side
    28,782.62x = 692,843,582.62
  5. Step 5: Solve for x
    x = 692,843,582.62/28,782.62
  6. Step 6: Final answer
    x = 24,071.60

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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.