Home / 21,933.18-32,868.18-16,979.63

Finding the Fourth Proportional to 21,933.18, 32,868.18 and 16,979.63

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Solution

The fourth proportional to 21,933.18, 32,868.18 and 16,979.63 is: 25,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.18 : 32,868.18 = 16,979.63 : x
  2. Step 2: Convert to fraction form
    21,933.18/32,868.18 = 16,979.63/x
  3. Step 3: Cross multiply
    21,933.18x = 32,868.18 × 16,979.63
  4. Step 4: Simplify right side
    21,933.18x = 558,089,370.83
  5. Step 5: Solve for x
    x = 558,089,370.83/21,933.18
  6. Step 6: Final answer
    x = 25,444.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.