Home / 28,625.22-39,506.47-16,688.66

Finding the Fourth Proportional to 28,625.22, 39,506.47 and 16,688.66

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Solution

The fourth proportional to 28,625.22, 39,506.47 and 16,688.66 is: 23,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.22 : 39,506.47 = 16,688.66 : x
  2. Step 2: Convert to fraction form
    28,625.22/39,506.47 = 16,688.66/x
  3. Step 3: Cross multiply
    28,625.22x = 39,506.47 × 16,688.66
  4. Step 4: Simplify right side
    28,625.22x = 659,309,806.38
  5. Step 5: Solve for x
    x = 659,309,806.38/28,625.22
  6. Step 6: Final answer
    x = 23,032.48

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1.5x scale

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.