Home / 28,508.64-39,348.17-16,578.86

Finding the Fourth Proportional to 28,508.64, 39,348.17 and 16,578.86

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Solution

The fourth proportional to 28,508.64, 39,348.17 and 16,578.86 is: 22,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.64 : 39,348.17 = 16,578.86 : x
  2. Step 2: Convert to fraction form
    28,508.64/39,348.17 = 16,578.86/x
  3. Step 3: Cross multiply
    28,508.64x = 39,348.17 × 16,578.86
  4. Step 4: Simplify right side
    28,508.64x = 652,347,801.69
  5. Step 5: Solve for x
    x = 652,347,801.69/28,508.64
  6. Step 6: Final answer
    x = 22,882.46

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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.