Home / 36,210-54,325.56-15,435.60

Finding the Fourth Proportional to 36,210, 54,325.56 and 15,435.60

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Solution

The fourth proportional to 36,210, 54,325.56 and 15,435.60 is: 23,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210 : 54,325.56 = 15,435.60 : x
  2. Step 2: Convert to fraction form
    36,210/54,325.56 = 15,435.60/x
  3. Step 3: Cross multiply
    36,210x = 54,325.56 × 15,435.60
  4. Step 4: Simplify right side
    36,210x = 838,547,613.94
  5. Step 5: Solve for x
    x = 838,547,613.94/36,210
  6. Step 6: Final answer
    x = 23,157.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.