Home / 28,181.86-42,291.24-10,651.69

Finding the Fourth Proportional to 28,181.86, 42,291.24 and 10,651.69

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Solution

The fourth proportional to 28,181.86, 42,291.24 and 10,651.69 is: 15,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.86 : 42,291.24 = 10,651.69 : x
  2. Step 2: Convert to fraction form
    28,181.86/42,291.24 = 10,651.69/x
  3. Step 3: Cross multiply
    28,181.86x = 42,291.24 × 10,651.69
  4. Step 4: Simplify right side
    28,181.86x = 450,473,178.20
  5. Step 5: Solve for x
    x = 450,473,178.20/28,181.86
  6. Step 6: Final answer
    x = 15,984.51

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1.5x scale

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.