Home / 27,994.56-42,002.07-13,008.60

Finding the Fourth Proportional to 27,994.56, 42,002.07 and 13,008.60

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Solution

The fourth proportional to 27,994.56, 42,002.07 and 13,008.60 is: 19,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.56 : 42,002.07 = 13,008.60 : x
  2. Step 2: Convert to fraction form
    27,994.56/42,002.07 = 13,008.60/x
  3. Step 3: Cross multiply
    27,994.56x = 42,002.07 × 13,008.60
  4. Step 4: Simplify right side
    27,994.56x = 546,388,127.80
  5. Step 5: Solve for x
    x = 546,388,127.80/27,994.56
  6. Step 6: Final answer
    x = 19,517.65

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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.