Home / 28,966-39,973.26-16,393.36

Finding the Fourth Proportional to 28,966, 39,973.26 and 16,393.36

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Solution

The fourth proportional to 28,966, 39,973.26 and 16,393.36 is: 22,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966 : 39,973.26 = 16,393.36 : x
  2. Step 2: Convert to fraction form
    28,966/39,973.26 = 16,393.36/x
  3. Step 3: Cross multiply
    28,966x = 39,973.26 × 16,393.36
  4. Step 4: Simplify right side
    28,966x = 655,296,041.55
  5. Step 5: Solve for x
    x = 655,296,041.55/28,966
  6. Step 6: Final answer
    x = 22,622.94

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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.