Home / 20,903.98-31,392.63-16,229.26

Finding the Fourth Proportional to 20,903.98, 31,392.63 and 16,229.26

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Solution

The fourth proportional to 20,903.98, 31,392.63 and 16,229.26 is: 24,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903.98 : 31,392.63 = 16,229.26 : x
  2. Step 2: Convert to fraction form
    20,903.98/31,392.63 = 16,229.26/x
  3. Step 3: Cross multiply
    20,903.98x = 31,392.63 × 16,229.26
  4. Step 4: Simplify right side
    20,903.98x = 509,479,154.35
  5. Step 5: Solve for x
    x = 509,479,154.35/20,903.98
  6. Step 6: Final answer
    x = 24,372.35

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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.