Home / 25,862.68-35,654.34-21,867.76

Finding the Fourth Proportional to 25,862.68, 35,654.34 and 21,867.76

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Solution

The fourth proportional to 25,862.68, 35,654.34 and 21,867.76 is: 30,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,862.68 : 35,654.34 = 21,867.76 : x
  2. Step 2: Convert to fraction form
    25,862.68/35,654.34 = 21,867.76/x
  3. Step 3: Cross multiply
    25,862.68x = 35,654.34 × 21,867.76
  4. Step 4: Simplify right side
    25,862.68x = 779,680,550.08
  5. Step 5: Solve for x
    x = 779,680,550.08/25,862.68
  6. Step 6: Final answer
    x = 30,146.94

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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.