Home / 25,296.35-34,907.51-13,965.57

Finding the Fourth Proportional to 25,296.35, 34,907.51 and 13,965.57

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Solution

The fourth proportional to 25,296.35, 34,907.51 and 13,965.57 is: 19,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,296.35 : 34,907.51 = 13,965.57 : x
  2. Step 2: Convert to fraction form
    25,296.35/34,907.51 = 13,965.57/x
  3. Step 3: Cross multiply
    25,296.35x = 34,907.51 × 13,965.57
  4. Step 4: Simplify right side
    25,296.35x = 487,503,204.60
  5. Step 5: Solve for x
    x = 487,503,204.60/25,296.35
  6. Step 6: Final answer
    x = 19,271.69

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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.