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Finding the Fourth Proportional to 25,295.78, 37,945.55 and 9,713.41

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Solution

The fourth proportional to 25,295.78, 37,945.55 and 9,713.41 is: 14,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.78 : 37,945.55 = 9,713.41 : x
  2. Step 2: Convert to fraction form
    25,295.78/37,945.55 = 9,713.41/x
  3. Step 3: Cross multiply
    25,295.78x = 37,945.55 × 9,713.41
  4. Step 4: Simplify right side
    25,295.78x = 368,580,684.83
  5. Step 5: Solve for x
    x = 368,580,684.83/25,295.78
  6. Step 6: Final answer
    x = 14,570.84

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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.