Home / 28,934.22-39,929.58-16,358.70

Finding the Fourth Proportional to 28,934.22, 39,929.58 and 16,358.70

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Solution

The fourth proportional to 28,934.22, 39,929.58 and 16,358.70 is: 22,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.22 : 39,929.58 = 16,358.70 : x
  2. Step 2: Convert to fraction form
    28,934.22/39,929.58 = 16,358.70/x
  3. Step 3: Cross multiply
    28,934.22x = 39,929.58 × 16,358.70
  4. Step 4: Simplify right side
    28,934.22x = 653,196,020.35
  5. Step 5: Solve for x
    x = 653,196,020.35/28,934.22
  6. Step 6: Final answer
    x = 22,575.21

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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.