Home / 25,674.80-35,427.71-14,342.88

Finding the Fourth Proportional to 25,674.80, 35,427.71 and 14,342.88

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Solution

The fourth proportional to 25,674.80, 35,427.71 and 14,342.88 is: 19,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.80 : 35,427.71 = 14,342.88 : x
  2. Step 2: Convert to fraction form
    25,674.80/35,427.71 = 14,342.88/x
  3. Step 3: Cross multiply
    25,674.80x = 35,427.71 × 14,342.88
  4. Step 4: Simplify right side
    25,674.80x = 508,135,321.49
  5. Step 5: Solve for x
    x = 508,135,321.49/25,674.80
  6. Step 6: Final answer
    x = 19,791.21

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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.