Home / 28,674.30-39,563.61-16,730.82

Finding the Fourth Proportional to 28,674.30, 39,563.61 and 16,730.82

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Solution

The fourth proportional to 28,674.30, 39,563.61 and 16,730.82 is: 23,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674.30 : 39,563.61 = 16,730.82 : x
  2. Step 2: Convert to fraction form
    28,674.30/39,563.61 = 16,730.82/x
  3. Step 3: Cross multiply
    28,674.30x = 39,563.61 × 16,730.82
  4. Step 4: Simplify right side
    28,674.30x = 661,931,637.46
  5. Step 5: Solve for x
    x = 661,931,637.46/28,674.30
  6. Step 6: Final answer
    x = 23,084.49

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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.