Home / 21,835.68-30,133.44-15,473.44

Finding the Fourth Proportional to 21,835.68, 30,133.44 and 15,473.44

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Solution

The fourth proportional to 21,835.68, 30,133.44 and 15,473.44 is: 21,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835.68 : 30,133.44 = 15,473.44 : x
  2. Step 2: Convert to fraction form
    21,835.68/30,133.44 = 15,473.44/x
  3. Step 3: Cross multiply
    21,835.68x = 30,133.44 × 15,473.44
  4. Step 4: Simplify right side
    21,835.68x = 466,267,975.83
  5. Step 5: Solve for x
    x = 466,267,975.83/21,835.68
  6. Step 6: Final answer
    x = 21,353.49

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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.