Home / 27,491.13-37,973.34-20,335.66

Finding the Fourth Proportional to 27,491.13, 37,973.34 and 20,335.66

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Solution

The fourth proportional to 27,491.13, 37,973.34 and 20,335.66 is: 28,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,491.13 : 37,973.34 = 20,335.66 : x
  2. Step 2: Convert to fraction form
    27,491.13/37,973.34 = 20,335.66/x
  3. Step 3: Cross multiply
    27,491.13x = 37,973.34 × 20,335.66
  4. Step 4: Simplify right side
    27,491.13x = 772,212,836.37
  5. Step 5: Solve for x
    x = 772,212,836.37/27,491.13
  6. Step 6: Final answer
    x = 28,089.53

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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.