Home / 28,829.34-39,788.34-16,897.41

Finding the Fourth Proportional to 28,829.34, 39,788.34 and 16,897.41

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Solution

The fourth proportional to 28,829.34, 39,788.34 and 16,897.41 is: 23,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.34 : 39,788.34 = 16,897.41 : x
  2. Step 2: Convert to fraction form
    28,829.34/39,788.34 = 16,897.41/x
  3. Step 3: Cross multiply
    28,829.34x = 39,788.34 × 16,897.41
  4. Step 4: Simplify right side
    28,829.34x = 672,319,894.20
  5. Step 5: Solve for x
    x = 672,319,894.20/28,829.34
  6. Step 6: Final answer
    x = 23,320.68

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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.