Home / 28,213.55-38,938.83-16,274.55

Finding the Fourth Proportional to 28,213.55, 38,938.83 and 16,274.55

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Solution

The fourth proportional to 28,213.55, 38,938.83 and 16,274.55 is: 22,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213.55 : 38,938.83 = 16,274.55 : x
  2. Step 2: Convert to fraction form
    28,213.55/38,938.83 = 16,274.55/x
  3. Step 3: Cross multiply
    28,213.55x = 38,938.83 × 16,274.55
  4. Step 4: Simplify right side
    28,213.55x = 633,711,935.78
  5. Step 5: Solve for x
    x = 633,711,935.78/28,213.55
  6. Step 6: Final answer
    x = 22,461.27

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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.