Home / 27,998.08-42,007.32-13,012.12

Finding the Fourth Proportional to 27,998.08, 42,007.32 and 13,012.12

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Solution

The fourth proportional to 27,998.08, 42,007.32 and 13,012.12 is: 19,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.08 : 42,007.32 = 13,012.12 : x
  2. Step 2: Convert to fraction form
    27,998.08/42,007.32 = 13,012.12/x
  3. Step 3: Cross multiply
    27,998.08x = 42,007.32 × 13,012.12
  4. Step 4: Simplify right side
    27,998.08x = 546,604,288.72
  5. Step 5: Solve for x
    x = 546,604,288.72/27,998.08
  6. Step 6: Final answer
    x = 19,522.92

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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.