Home / 25,286.89-37,931.14-8,646.25

Finding the Fourth Proportional to 25,286.89, 37,931.14 and 8,646.25

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Solution

The fourth proportional to 25,286.89, 37,931.14 and 8,646.25 is: 12,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.89 : 37,931.14 = 8,646.25 : x
  2. Step 2: Convert to fraction form
    25,286.89/37,931.14 = 8,646.25/x
  3. Step 3: Cross multiply
    25,286.89x = 37,931.14 × 8,646.25
  4. Step 4: Simplify right side
    25,286.89x = 327,962,119.23
  5. Step 5: Solve for x
    x = 327,962,119.23/25,286.89
  6. Step 6: Final answer
    x = 12,969.65

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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.