Home / 25,716.28-35,503.96-16,779.28

Finding the Fourth Proportional to 25,716.28, 35,503.96 and 16,779.28

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Solution

The fourth proportional to 25,716.28, 35,503.96 and 16,779.28 is: 23,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.28 : 35,503.96 = 16,779.28 : x
  2. Step 2: Convert to fraction form
    25,716.28/35,503.96 = 16,779.28/x
  3. Step 3: Cross multiply
    25,716.28x = 35,503.96 × 16,779.28
  4. Step 4: Simplify right side
    25,716.28x = 595,730,885.95
  5. Step 5: Solve for x
    x = 595,730,885.95/25,716.28
  6. Step 6: Final answer
    x = 23,165.52

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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.