Home / 28,320.64-42,493.92-10,794.40

Finding the Fourth Proportional to 28,320.64, 42,493.92 and 10,794.40

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Solution

The fourth proportional to 28,320.64, 42,493.92 and 10,794.40 is: 16,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.64 : 42,493.92 = 10,794.40 : x
  2. Step 2: Convert to fraction form
    28,320.64/42,493.92 = 10,794.40/x
  3. Step 3: Cross multiply
    28,320.64x = 42,493.92 × 10,794.40
  4. Step 4: Simplify right side
    28,320.64x = 458,696,370.05
  5. Step 5: Solve for x
    x = 458,696,370.05/28,320.64
  6. Step 6: Final answer
    x = 16,196.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.