Home / 25,217.06-37,826.80-10,420.79

Finding the Fourth Proportional to 25,217.06, 37,826.80 and 10,420.79

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Solution

The fourth proportional to 25,217.06, 37,826.80 and 10,420.79 is: 15,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,217.06 : 37,826.80 = 10,420.79 : x
  2. Step 2: Convert to fraction form
    25,217.06/37,826.80 = 10,420.79/x
  3. Step 3: Cross multiply
    25,217.06x = 37,826.80 × 10,420.79
  4. Step 4: Simplify right side
    25,217.06x = 394,184,923.99
  5. Step 5: Solve for x
    x = 394,184,923.99/25,217.06
  6. Step 6: Final answer
    x = 15,631.68

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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.