Home / 25,271.60-37,907.40-16,977.20

Finding the Fourth Proportional to 25,271.60, 37,907.40 and 16,977.20

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Solution

The fourth proportional to 25,271.60, 37,907.40 and 16,977.20 is: 25,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.60 : 37,907.40 = 16,977.20 : x
  2. Step 2: Convert to fraction form
    25,271.60/37,907.40 = 16,977.20/x
  3. Step 3: Cross multiply
    25,271.60x = 37,907.40 × 16,977.20
  4. Step 4: Simplify right side
    25,271.60x = 643,561,511.28
  5. Step 5: Solve for x
    x = 643,561,511.28/25,271.60
  6. Step 6: Final answer
    x = 25,465.80

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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.