Home / 25,250.07-34,845.34-13,920.01

Finding the Fourth Proportional to 25,250.07, 34,845.34 and 13,920.01

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Solution

The fourth proportional to 25,250.07, 34,845.34 and 13,920.01 is: 19,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,250.07 : 34,845.34 = 13,920.01 : x
  2. Step 2: Convert to fraction form
    25,250.07/34,845.34 = 13,920.01/x
  3. Step 3: Cross multiply
    25,250.07x = 34,845.34 × 13,920.01
  4. Step 4: Simplify right side
    25,250.07x = 485,047,481.25
  5. Step 5: Solve for x
    x = 485,047,481.25/25,250.07
  6. Step 6: Final answer
    x = 19,209.75

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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.