Home / 25,309.26-34,926.46-13,979.25

Finding the Fourth Proportional to 25,309.26, 34,926.46 and 13,979.25

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Solution

The fourth proportional to 25,309.26, 34,926.46 and 13,979.25 is: 19,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.26 : 34,926.46 = 13,979.25 : x
  2. Step 2: Convert to fraction form
    25,309.26/34,926.46 = 13,979.25/x
  3. Step 3: Cross multiply
    25,309.26x = 34,926.46 × 13,979.25
  4. Step 4: Simplify right side
    25,309.26x = 488,245,681.01
  5. Step 5: Solve for x
    x = 488,245,681.01/25,309.26
  6. Step 6: Final answer
    x = 19,291.19

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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.