Home / 28,764.28-39,694.71-16,829.91

Finding the Fourth Proportional to 28,764.28, 39,694.71 and 16,829.91

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Solution

The fourth proportional to 28,764.28, 39,694.71 and 16,829.91 is: 23,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.28 : 39,694.71 = 16,829.91 : x
  2. Step 2: Convert to fraction form
    28,764.28/39,694.71 = 16,829.91/x
  3. Step 3: Cross multiply
    28,764.28x = 39,694.71 × 16,829.91
  4. Step 4: Simplify right side
    28,764.28x = 668,058,459.89
  5. Step 5: Solve for x
    x = 668,058,459.89/28,764.28
  6. Step 6: Final answer
    x = 23,225.28

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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.