Home / 27,458.67-37,892.79-15,524.40

Finding the Fourth Proportional to 27,458.67, 37,892.79 and 15,524.40

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Solution

The fourth proportional to 27,458.67, 37,892.79 and 15,524.40 is: 21,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.67 : 37,892.79 = 15,524.40 : x
  2. Step 2: Convert to fraction form
    27,458.67/37,892.79 = 15,524.40/x
  3. Step 3: Cross multiply
    27,458.67x = 37,892.79 × 15,524.40
  4. Step 4: Simplify right side
    27,458.67x = 588,262,829.08
  5. Step 5: Solve for x
    x = 588,262,829.08/27,458.67
  6. Step 6: Final answer
    x = 21,423.57

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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.