Home / 27,489-37,934.82-14,913.75

Finding the Fourth Proportional to 27,489, 37,934.82 and 14,913.75

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Solution

The fourth proportional to 27,489, 37,934.82 and 14,913.75 is: 20,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489 : 37,934.82 = 14,913.75 : x
  2. Step 2: Convert to fraction form
    27,489/37,934.82 = 14,913.75/x
  3. Step 3: Cross multiply
    27,489x = 37,934.82 × 14,913.75
  4. Step 4: Simplify right side
    27,489x = 565,750,421.78
  5. Step 5: Solve for x
    x = 565,750,421.78/27,489
  6. Step 6: Final answer
    x = 20,580.98

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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.