Home / 25,289.57-34,897.77-13,959.09

Finding the Fourth Proportional to 25,289.57, 34,897.77 and 13,959.09

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Solution

The fourth proportional to 25,289.57, 34,897.77 and 13,959.09 is: 19,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.57 : 34,897.77 = 13,959.09 : x
  2. Step 2: Convert to fraction form
    25,289.57/34,897.77 = 13,959.09/x
  3. Step 3: Cross multiply
    25,289.57x = 34,897.77 × 13,959.09
  4. Step 4: Simplify right side
    25,289.57x = 487,141,112.23
  5. Step 5: Solve for x
    x = 487,141,112.23/25,289.57
  6. Step 6: Final answer
    x = 19,262.53

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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.