Home / 25,271.10-37,929.60-12,799.80

Finding the Fourth Proportional to 25,271.10, 37,929.60 and 12,799.80

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Solution

The fourth proportional to 25,271.10, 37,929.60 and 12,799.80 is: 19,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.10 : 37,929.60 = 12,799.80 : x
  2. Step 2: Convert to fraction form
    25,271.10/37,929.60 = 12,799.80/x
  3. Step 3: Cross multiply
    25,271.10x = 37,929.60 × 12,799.80
  4. Step 4: Simplify right side
    25,271.10x = 485,491,294.08
  5. Step 5: Solve for x
    x = 485,491,294.08/25,271.10
  6. Step 6: Final answer
    x = 19,211.32

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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.