Home / 21,952.12-30,273.80-14,671.50

Finding the Fourth Proportional to 21,952.12, 30,273.80 and 14,671.50

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Solution

The fourth proportional to 21,952.12, 30,273.80 and 14,671.50 is: 20,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.12 : 30,273.80 = 14,671.50 : x
  2. Step 2: Convert to fraction form
    21,952.12/30,273.80 = 14,671.50/x
  3. Step 3: Cross multiply
    21,952.12x = 30,273.80 × 14,671.50
  4. Step 4: Simplify right side
    21,952.12x = 444,162,056.70
  5. Step 5: Solve for x
    x = 444,162,056.70/21,952.12
  6. Step 6: Final answer
    x = 20,233.22

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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.