Home / 20,274.40-27,964.59-18,601.35

Finding the Fourth Proportional to 20,274.40, 27,964.59 and 18,601.35

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Solution

The fourth proportional to 20,274.40, 27,964.59 and 18,601.35 is: 25,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.40 : 27,964.59 = 18,601.35 : x
  2. Step 2: Convert to fraction form
    20,274.40/27,964.59 = 18,601.35/x
  3. Step 3: Cross multiply
    20,274.40x = 27,964.59 × 18,601.35
  4. Step 4: Simplify right side
    20,274.40x = 520,179,056.21
  5. Step 5: Solve for x
    x = 520,179,056.21/20,274.40
  6. Step 6: Final answer
    x = 25,656.94

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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.