Home / 28,352.51-39,124.17-16,416.60

Finding the Fourth Proportional to 28,352.51, 39,124.17 and 16,416.60

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Solution

The fourth proportional to 28,352.51, 39,124.17 and 16,416.60 is: 22,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.51 : 39,124.17 = 16,416.60 : x
  2. Step 2: Convert to fraction form
    28,352.51/39,124.17 = 16,416.60/x
  3. Step 3: Cross multiply
    28,352.51x = 39,124.17 × 16,416.60
  4. Step 4: Simplify right side
    28,352.51x = 642,285,849.22
  5. Step 5: Solve for x
    x = 642,285,849.22/28,352.51
  6. Step 6: Final answer
    x = 22,653.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.