Home / 25,405.50-35,063.64-14,800.98

Finding the Fourth Proportional to 25,405.50, 35,063.64 and 14,800.98

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Solution

The fourth proportional to 25,405.50, 35,063.64 and 14,800.98 is: 20,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.50 : 35,063.64 = 14,800.98 : x
  2. Step 2: Convert to fraction form
    25,405.50/35,063.64 = 14,800.98/x
  3. Step 3: Cross multiply
    25,405.50x = 35,063.64 × 14,800.98
  4. Step 4: Simplify right side
    25,405.50x = 518,976,234.37
  5. Step 5: Solve for x
    x = 518,976,234.37/25,405.50
  6. Step 6: Final answer
    x = 20,427.71

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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.