Home / 21,286.27-31,925.76-6,087.79

Finding the Fourth Proportional to 21,286.27, 31,925.76 and 6,087.79

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Solution

The fourth proportional to 21,286.27, 31,925.76 and 6,087.79 is: 9,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286.27 : 31,925.76 = 6,087.79 : x
  2. Step 2: Convert to fraction form
    21,286.27/31,925.76 = 6,087.79/x
  3. Step 3: Cross multiply
    21,286.27x = 31,925.76 × 6,087.79
  4. Step 4: Simplify right side
    21,286.27x = 194,357,322.47
  5. Step 5: Solve for x
    x = 194,357,322.47/21,286.27
  6. Step 6: Final answer
    x = 9,130.64

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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.