Home / 25,739.12-35,515.64-14,406.32

Finding the Fourth Proportional to 25,739.12, 35,515.64 and 14,406.32

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Solution

The fourth proportional to 25,739.12, 35,515.64 and 14,406.32 is: 19,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.12 : 35,515.64 = 14,406.32 : x
  2. Step 2: Convert to fraction form
    25,739.12/35,515.64 = 14,406.32/x
  3. Step 3: Cross multiply
    25,739.12x = 35,515.64 × 14,406.32
  4. Step 4: Simplify right side
    25,739.12x = 511,649,674.84
  5. Step 5: Solve for x
    x = 511,649,674.84/25,739.12
  6. Step 6: Final answer
    x = 19,878.29

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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.