Home / 28,811.71-39,763.35-16,714.88

Finding the Fourth Proportional to 28,811.71, 39,763.35 and 16,714.88

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Solution

The fourth proportional to 28,811.71, 39,763.35 and 16,714.88 is: 23,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811.71 : 39,763.35 = 16,714.88 : x
  2. Step 2: Convert to fraction form
    28,811.71/39,763.35 = 16,714.88/x
  3. Step 3: Cross multiply
    28,811.71x = 39,763.35 × 16,714.88
  4. Step 4: Simplify right side
    28,811.71x = 664,639,424.83
  5. Step 5: Solve for x
    x = 664,639,424.83/28,811.71
  6. Step 6: Final answer
    x = 23,068.38

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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.