Home / 28,622.62-39,499.04-16,047.36

Finding the Fourth Proportional to 28,622.62, 39,499.04 and 16,047.36

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Solution

The fourth proportional to 28,622.62, 39,499.04 and 16,047.36 is: 22,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.62 : 39,499.04 = 16,047.36 : x
  2. Step 2: Convert to fraction form
    28,622.62/39,499.04 = 16,047.36/x
  3. Step 3: Cross multiply
    28,622.62x = 39,499.04 × 16,047.36
  4. Step 4: Simplify right side
    28,622.62x = 633,855,314.53
  5. Step 5: Solve for x
    x = 633,855,314.53/28,622.62
  6. Step 6: Final answer
    x = 22,145.26

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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.