Home / 20,426.84-30,501.88-16,219.64

Finding the Fourth Proportional to 20,426.84, 30,501.88 and 16,219.64

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Solution

The fourth proportional to 20,426.84, 30,501.88 and 16,219.64 is: 24,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426.84 : 30,501.88 = 16,219.64 : x
  2. Step 2: Convert to fraction form
    20,426.84/30,501.88 = 16,219.64/x
  3. Step 3: Cross multiply
    20,426.84x = 30,501.88 × 16,219.64
  4. Step 4: Simplify right side
    20,426.84x = 494,729,512.92
  5. Step 5: Solve for x
    x = 494,729,512.92/20,426.84
  6. Step 6: Final answer
    x = 24,219.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.