Home / 28,493.28-39,318.08-16,556.45

Finding the Fourth Proportional to 28,493.28, 39,318.08 and 16,556.45

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Solution

The fourth proportional to 28,493.28, 39,318.08 and 16,556.45 is: 22,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.28 : 39,318.08 = 16,556.45 : x
  2. Step 2: Convert to fraction form
    28,493.28/39,318.08 = 16,556.45/x
  3. Step 3: Cross multiply
    28,493.28x = 39,318.08 × 16,556.45
  4. Step 4: Simplify right side
    28,493.28x = 650,967,546.24
  5. Step 5: Solve for x
    x = 650,967,546.24/28,493.28
  6. Step 6: Final answer
    x = 22,846.35

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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.