Home / 28,211.33-38,928.04-16,274.69

Finding the Fourth Proportional to 28,211.33, 38,928.04 and 16,274.69

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Solution

The fourth proportional to 28,211.33, 38,928.04 and 16,274.69 is: 22,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.33 : 38,928.04 = 16,274.69 : x
  2. Step 2: Convert to fraction form
    28,211.33/38,928.04 = 16,274.69/x
  3. Step 3: Cross multiply
    28,211.33x = 38,928.04 × 16,274.69
  4. Step 4: Simplify right side
    28,211.33x = 633,541,783.31
  5. Step 5: Solve for x
    x = 633,541,783.31/28,211.33
  6. Step 6: Final answer
    x = 22,457.00

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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.