Home / 25,986.60-38,913.48-14,286.96

Finding the Fourth Proportional to 25,986.60, 38,913.48 and 14,286.96

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Solution

The fourth proportional to 25,986.60, 38,913.48 and 14,286.96 is: 21,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.60 : 38,913.48 = 14,286.96 : x
  2. Step 2: Convert to fraction form
    25,986.60/38,913.48 = 14,286.96/x
  3. Step 3: Cross multiply
    25,986.60x = 38,913.48 × 14,286.96
  4. Step 4: Simplify right side
    25,986.60x = 555,955,332.22
  5. Step 5: Solve for x
    x = 555,955,332.22/25,986.60
  6. Step 6: Final answer
    x = 21,393.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.