Home / 20,835.44-28,722.96-14,856.74

Finding the Fourth Proportional to 20,835.44, 28,722.96 and 14,856.74

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Solution

The fourth proportional to 20,835.44, 28,722.96 and 14,856.74 is: 20,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835.44 : 28,722.96 = 14,856.74 : x
  2. Step 2: Convert to fraction form
    20,835.44/28,722.96 = 14,856.74/x
  3. Step 3: Cross multiply
    20,835.44x = 28,722.96 × 14,856.74
  4. Step 4: Simplify right side
    20,835.44x = 426,729,548.75
  5. Step 5: Solve for x
    x = 426,729,548.75/20,835.44
  6. Step 6: Final answer
    x = 20,480.95

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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.