Home / 25,374.28-38,017.67-16,820.48

Finding the Fourth Proportional to 25,374.28, 38,017.67 and 16,820.48

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Solution

The fourth proportional to 25,374.28, 38,017.67 and 16,820.48 is: 25,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.28 : 38,017.67 = 16,820.48 : x
  2. Step 2: Convert to fraction form
    25,374.28/38,017.67 = 16,820.48/x
  3. Step 3: Cross multiply
    25,374.28x = 38,017.67 × 16,820.48
  4. Step 4: Simplify right side
    25,374.28x = 639,475,457.88
  5. Step 5: Solve for x
    x = 639,475,457.88/25,374.28
  6. Step 6: Final answer
    x = 25,201.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.