Home / 27,577.40-38,040.78-20,014.96

Finding the Fourth Proportional to 27,577.40, 38,040.78 and 20,014.96

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Solution

The fourth proportional to 27,577.40, 38,040.78 and 20,014.96 is: 27,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,577.40 : 38,040.78 = 20,014.96 : x
  2. Step 2: Convert to fraction form
    27,577.40/38,040.78 = 20,014.96/x
  3. Step 3: Cross multiply
    27,577.40x = 38,040.78 × 20,014.96
  4. Step 4: Simplify right side
    27,577.40x = 761,384,690.07
  5. Step 5: Solve for x
    x = 761,384,690.07/27,577.40
  6. Step 6: Final answer
    x = 27,609.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.