Home / 25,208.45-37,818.90-10,421.60

Finding the Fourth Proportional to 25,208.45, 37,818.90 and 10,421.60

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Solution

The fourth proportional to 25,208.45, 37,818.90 and 10,421.60 is: 15,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.45 : 37,818.90 = 10,421.60 : x
  2. Step 2: Convert to fraction form
    25,208.45/37,818.90 = 10,421.60/x
  3. Step 3: Cross multiply
    25,208.45x = 37,818.90 × 10,421.60
  4. Step 4: Simplify right side
    25,208.45x = 394,133,259.15
  5. Step 5: Solve for x
    x = 394,133,259.15/25,208.45
  6. Step 6: Final answer
    x = 15,634.97

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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.