Home / 25,266.40-37,930.80-15,906.40

Finding the Fourth Proportional to 25,266.40, 37,930.80 and 15,906.40

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Solution

The fourth proportional to 25,266.40, 37,930.80 and 15,906.40 is: 23,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,266.40 : 37,930.80 = 15,906.40 : x
  2. Step 2: Convert to fraction form
    25,266.40/37,930.80 = 15,906.40/x
  3. Step 3: Cross multiply
    25,266.40x = 37,930.80 × 15,906.40
  4. Step 4: Simplify right side
    25,266.40x = 603,342,477.12
  5. Step 5: Solve for x
    x = 603,342,477.12/25,266.40
  6. Step 6: Final answer
    x = 23,879.24

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1.5x scale

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.