Home / 28,072.10-38,741.73-16,137.62

Finding the Fourth Proportional to 28,072.10, 38,741.73 and 16,137.62

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Solution

The fourth proportional to 28,072.10, 38,741.73 and 16,137.62 is: 22,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.10 : 38,741.73 = 16,137.62 : x
  2. Step 2: Convert to fraction form
    28,072.10/38,741.73 = 16,137.62/x
  3. Step 3: Cross multiply
    28,072.10x = 38,741.73 × 16,137.62
  4. Step 4: Simplify right side
    28,072.10x = 625,199,316.88
  5. Step 5: Solve for x
    x = 625,199,316.88/28,072.10
  6. Step 6: Final answer
    x = 22,271.20

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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.