Home / 28,244.74-38,973.90-16,911.64

Finding the Fourth Proportional to 28,244.74, 38,973.90 and 16,911.64

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Solution

The fourth proportional to 28,244.74, 38,973.90 and 16,911.64 is: 23,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.74 : 38,973.90 = 16,911.64 : x
  2. Step 2: Convert to fraction form
    28,244.74/38,973.90 = 16,911.64/x
  3. Step 3: Cross multiply
    28,244.74x = 38,973.90 × 16,911.64
  4. Step 4: Simplify right side
    28,244.74x = 659,112,566.20
  5. Step 5: Solve for x
    x = 659,112,566.20/28,244.74
  6. Step 6: Final answer
    x = 23,335.76

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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.