Home / 25,818.21-35,628.26-14,640.21

Finding the Fourth Proportional to 25,818.21, 35,628.26 and 14,640.21

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Solution

The fourth proportional to 25,818.21, 35,628.26 and 14,640.21 is: 20,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818.21 : 35,628.26 = 14,640.21 : x
  2. Step 2: Convert to fraction form
    25,818.21/35,628.26 = 14,640.21/x
  3. Step 3: Cross multiply
    25,818.21x = 35,628.26 × 14,640.21
  4. Step 4: Simplify right side
    25,818.21x = 521,605,135.13
  5. Step 5: Solve for x
    x = 521,605,135.13/25,818.21
  6. Step 6: Final answer
    x = 20,202.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.