Home / 25,546.77-35,258.76-21,291.37

Finding the Fourth Proportional to 25,546.77, 35,258.76 and 21,291.37

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Solution

The fourth proportional to 25,546.77, 35,258.76 and 21,291.37 is: 29,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,546.77 : 35,258.76 = 21,291.37 : x
  2. Step 2: Convert to fraction form
    25,546.77/35,258.76 = 21,291.37/x
  3. Step 3: Cross multiply
    25,546.77x = 35,258.76 × 21,291.37
  4. Step 4: Simplify right side
    25,546.77x = 750,707,216.75
  5. Step 5: Solve for x
    x = 750,707,216.75/25,546.77
  6. Step 6: Final answer
    x = 29,385.60

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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.