Home / 27,421.76-37,842.72-16,817.24

Finding the Fourth Proportional to 27,421.76, 37,842.72 and 16,817.24

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Solution

The fourth proportional to 27,421.76, 37,842.72 and 16,817.24 is: 23,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.76 : 37,842.72 = 16,817.24 : x
  2. Step 2: Convert to fraction form
    27,421.76/37,842.72 = 16,817.24/x
  3. Step 3: Cross multiply
    27,421.76x = 37,842.72 × 16,817.24
  4. Step 4: Simplify right side
    27,421.76x = 636,410,104.49
  5. Step 5: Solve for x
    x = 636,410,104.49/27,421.76
  6. Step 6: Final answer
    x = 23,208.22

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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.