Home / 25,340.37-34,971.86-14,729.32

Finding the Fourth Proportional to 25,340.37, 34,971.86 and 14,729.32

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Solution

The fourth proportional to 25,340.37, 34,971.86 and 14,729.32 is: 20,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.37 : 34,971.86 = 14,729.32 : x
  2. Step 2: Convert to fraction form
    25,340.37/34,971.86 = 14,729.32/x
  3. Step 3: Cross multiply
    25,340.37x = 34,971.86 × 14,729.32
  4. Step 4: Simplify right side
    25,340.37x = 515,111,716.94
  5. Step 5: Solve for x
    x = 515,111,716.94/25,340.37
  6. Step 6: Final answer
    x = 20,327.71

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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.