Home / 28,984.75-40,000.45-16,237.18

Finding the Fourth Proportional to 28,984.75, 40,000.45 and 16,237.18

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Solution

The fourth proportional to 28,984.75, 40,000.45 and 16,237.18 is: 22,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.75 : 40,000.45 = 16,237.18 : x
  2. Step 2: Convert to fraction form
    28,984.75/40,000.45 = 16,237.18/x
  3. Step 3: Cross multiply
    28,984.75x = 40,000.45 × 16,237.18
  4. Step 4: Simplify right side
    28,984.75x = 649,494,506.73
  5. Step 5: Solve for x
    x = 649,494,506.73/28,984.75
  6. Step 6: Final answer
    x = 22,408.15

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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.