Home / 27,354.61-37,774.25-20,628.73

Finding the Fourth Proportional to 27,354.61, 37,774.25 and 20,628.73

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Solution

The fourth proportional to 27,354.61, 37,774.25 and 20,628.73 is: 28,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.61 : 37,774.25 = 20,628.73 : x
  2. Step 2: Convert to fraction form
    27,354.61/37,774.25 = 20,628.73/x
  3. Step 3: Cross multiply
    27,354.61x = 37,774.25 × 20,628.73
  4. Step 4: Simplify right side
    27,354.61x = 779,234,804.20
  5. Step 5: Solve for x
    x = 779,234,804.20/27,354.61
  6. Step 6: Final answer
    x = 28,486.42

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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.