Home / 28,581.36-42,851.26-11,946.14

Finding the Fourth Proportional to 28,581.36, 42,851.26 and 11,946.14

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Solution

The fourth proportional to 28,581.36, 42,851.26 and 11,946.14 is: 17,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581.36 : 42,851.26 = 11,946.14 : x
  2. Step 2: Convert to fraction form
    28,581.36/42,851.26 = 11,946.14/x
  3. Step 3: Cross multiply
    28,581.36x = 42,851.26 × 11,946.14
  4. Step 4: Simplify right side
    28,581.36x = 511,907,151.14
  5. Step 5: Solve for x
    x = 511,907,151.14/28,581.36
  6. Step 6: Final answer
    x = 17,910.52

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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.