Home / 28,396.29-39,174.84-16,455.27

Finding the Fourth Proportional to 28,396.29, 39,174.84 and 16,455.27

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Solution

The fourth proportional to 28,396.29, 39,174.84 and 16,455.27 is: 22,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.29 : 39,174.84 = 16,455.27 : x
  2. Step 2: Convert to fraction form
    28,396.29/39,174.84 = 16,455.27/x
  3. Step 3: Cross multiply
    28,396.29x = 39,174.84 × 16,455.27
  4. Step 4: Simplify right side
    28,396.29x = 644,632,569.41
  5. Step 5: Solve for x
    x = 644,632,569.41/28,396.29
  6. Step 6: Final answer
    x = 22,701.30

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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.