Home / 28,971.27-39,973.50-16,396.02

Finding the Fourth Proportional to 28,971.27, 39,973.50 and 16,396.02

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Solution

The fourth proportional to 28,971.27, 39,973.50 and 16,396.02 is: 22,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.27 : 39,973.50 = 16,396.02 : x
  2. Step 2: Convert to fraction form
    28,971.27/39,973.50 = 16,396.02/x
  3. Step 3: Cross multiply
    28,971.27x = 39,973.50 × 16,396.02
  4. Step 4: Simplify right side
    28,971.27x = 655,406,305.47
  5. Step 5: Solve for x
    x = 655,406,305.47/28,971.27
  6. Step 6: Final answer
    x = 22,622.63

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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.