Home / 20,178.72-27,853.27-18,050.50

Finding the Fourth Proportional to 20,178.72, 27,853.27 and 18,050.50

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Solution

The fourth proportional to 20,178.72, 27,853.27 and 18,050.50 is: 24,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178.72 : 27,853.27 = 18,050.50 : x
  2. Step 2: Convert to fraction form
    20,178.72/27,853.27 = 18,050.50/x
  3. Step 3: Cross multiply
    20,178.72x = 27,853.27 × 18,050.50
  4. Step 4: Simplify right side
    20,178.72x = 502,765,283.15
  5. Step 5: Solve for x
    x = 502,765,283.15/20,178.72
  6. Step 6: Final answer
    x = 24,915.62

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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.