Home / 27,236.88-37,588.50-20,510.64

Finding the Fourth Proportional to 27,236.88, 37,588.50 and 20,510.64

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Solution

The fourth proportional to 27,236.88, 37,588.50 and 20,510.64 is: 28,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,236.88 : 37,588.50 = 20,510.64 : x
  2. Step 2: Convert to fraction form
    27,236.88/37,588.50 = 20,510.64/x
  3. Step 3: Cross multiply
    27,236.88x = 37,588.50 × 20,510.64
  4. Step 4: Simplify right side
    27,236.88x = 770,964,191.64
  5. Step 5: Solve for x
    x = 770,964,191.64/27,236.88
  6. Step 6: Final answer
    x = 28,305.89

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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.