Home / 28,344.24-42,457.95-16,629.21

Finding the Fourth Proportional to 28,344.24, 42,457.95 and 16,629.21

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Solution

The fourth proportional to 28,344.24, 42,457.95 and 16,629.21 is: 24,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344.24 : 42,457.95 = 16,629.21 : x
  2. Step 2: Convert to fraction form
    28,344.24/42,457.95 = 16,629.21/x
  3. Step 3: Cross multiply
    28,344.24x = 42,457.95 × 16,629.21
  4. Step 4: Simplify right side
    28,344.24x = 706,042,166.72
  5. Step 5: Solve for x
    x = 706,042,166.72/28,344.24
  6. Step 6: Final answer
    x = 24,909.55

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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.