Home / 25,989.26-35,864.98-20,329.79

Finding the Fourth Proportional to 25,989.26, 35,864.98 and 20,329.79

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Solution

The fourth proportional to 25,989.26, 35,864.98 and 20,329.79 is: 28,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.26 : 35,864.98 = 20,329.79 : x
  2. Step 2: Convert to fraction form
    25,989.26/35,864.98 = 20,329.79/x
  3. Step 3: Cross multiply
    25,989.26x = 35,864.98 × 20,329.79
  4. Step 4: Simplify right side
    25,989.26x = 729,127,281.60
  5. Step 5: Solve for x
    x = 729,127,281.60/25,989.26
  6. Step 6: Final answer
    x = 28,054.95

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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.