Home / 27,286.07-40,931.46-7,564.79

Finding the Fourth Proportional to 27,286.07, 40,931.46 and 7,564.79

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Solution

The fourth proportional to 27,286.07, 40,931.46 and 7,564.79 is: 11,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.07 : 40,931.46 = 7,564.79 : x
  2. Step 2: Convert to fraction form
    27,286.07/40,931.46 = 7,564.79/x
  3. Step 3: Cross multiply
    27,286.07x = 40,931.46 × 7,564.79
  4. Step 4: Simplify right side
    27,286.07x = 309,638,001.62
  5. Step 5: Solve for x
    x = 309,638,001.62/27,286.07
  6. Step 6: Final answer
    x = 11,347.84

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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.