Home / 28,622.72-39,494.28-17,284.64

Finding the Fourth Proportional to 28,622.72, 39,494.28 and 17,284.64

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Solution

The fourth proportional to 28,622.72, 39,494.28 and 17,284.64 is: 23,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.72 : 39,494.28 = 17,284.64 : x
  2. Step 2: Convert to fraction form
    28,622.72/39,494.28 = 17,284.64/x
  3. Step 3: Cross multiply
    28,622.72x = 39,494.28 × 17,284.64
  4. Step 4: Simplify right side
    28,622.72x = 682,644,411.86
  5. Step 5: Solve for x
    x = 682,644,411.86/28,622.72
  6. Step 6: Final answer
    x = 23,849.74

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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.