Home / 28,927.68-39,921.92-16,353.60

Finding the Fourth Proportional to 28,927.68, 39,921.92 and 16,353.60

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Solution

The fourth proportional to 28,927.68, 39,921.92 and 16,353.60 is: 22,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.68 : 39,921.92 = 16,353.60 : x
  2. Step 2: Convert to fraction form
    28,927.68/39,921.92 = 16,353.60/x
  3. Step 3: Cross multiply
    28,927.68x = 39,921.92 × 16,353.60
  4. Step 4: Simplify right side
    28,927.68x = 652,867,110.91
  5. Step 5: Solve for x
    x = 652,867,110.91/28,927.68
  6. Step 6: Final answer
    x = 22,568.94

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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.