Home / 28,596.36-39,462.90-16,021

Finding the Fourth Proportional to 28,596.36, 39,462.90 and 16,021

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Solution

The fourth proportional to 28,596.36, 39,462.90 and 16,021 is: 22,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.36 : 39,462.90 = 16,021 : x
  2. Step 2: Convert to fraction form
    28,596.36/39,462.90 = 16,021/x
  3. Step 3: Cross multiply
    28,596.36x = 39,462.90 × 16,021
  4. Step 4: Simplify right side
    28,596.36x = 632,235,120.90
  5. Step 5: Solve for x
    x = 632,235,120.90/28,596.36
  6. Step 6: Final answer
    x = 22,108.94

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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.