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Finding the Fourth Proportional to 25,918.52, 35,729.37 and 18,341.37

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Solution

The fourth proportional to 25,918.52, 35,729.37 and 18,341.37 is: 25,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.52 : 35,729.37 = 18,341.37 : x
  2. Step 2: Convert to fraction form
    25,918.52/35,729.37 = 18,341.37/x
  3. Step 3: Cross multiply
    25,918.52x = 35,729.37 × 18,341.37
  4. Step 4: Simplify right side
    25,918.52x = 655,325,595.04
  5. Step 5: Solve for x
    x = 655,325,595.04/25,918.52
  6. Step 6: Final answer
    x = 25,284.07

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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.