Home / 28,181.86-42,273.48-9,462.51

Finding the Fourth Proportional to 28,181.86, 42,273.48 and 9,462.51

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Solution

The fourth proportional to 28,181.86, 42,273.48 and 9,462.51 is: 14,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.86 : 42,273.48 = 9,462.51 : x
  2. Step 2: Convert to fraction form
    28,181.86/42,273.48 = 9,462.51/x
  3. Step 3: Cross multiply
    28,181.86x = 42,273.48 × 9,462.51
  4. Step 4: Simplify right side
    28,181.86x = 400,013,209.49
  5. Step 5: Solve for x
    x = 400,013,209.49/28,181.86
  6. Step 6: Final answer
    x = 14,193.99

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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.