Home / 28,904.24-39,890.73-16,967.33

Finding the Fourth Proportional to 28,904.24, 39,890.73 and 16,967.33

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Solution

The fourth proportional to 28,904.24, 39,890.73 and 16,967.33 is: 23,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.24 : 39,890.73 = 16,967.33 : x
  2. Step 2: Convert to fraction form
    28,904.24/39,890.73 = 16,967.33/x
  3. Step 3: Cross multiply
    28,904.24x = 39,890.73 × 16,967.33
  4. Step 4: Simplify right side
    28,904.24x = 676,838,980.40
  5. Step 5: Solve for x
    x = 676,838,980.40/28,904.24
  6. Step 6: Final answer
    x = 23,416.60

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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.