Home / 28,803.60-39,748.32-16,227

Finding the Fourth Proportional to 28,803.60, 39,748.32 and 16,227

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Solution

The fourth proportional to 28,803.60, 39,748.32 and 16,227 is: 22,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.60 : 39,748.32 = 16,227 : x
  2. Step 2: Convert to fraction form
    28,803.60/39,748.32 = 16,227/x
  3. Step 3: Cross multiply
    28,803.60x = 39,748.32 × 16,227
  4. Step 4: Simplify right side
    28,803.60x = 644,995,988.64
  5. Step 5: Solve for x
    x = 644,995,988.64/28,803.60
  6. Step 6: Final answer
    x = 22,392.89

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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.