Home / 20,034.60-27,637.63-18,609.87

Finding the Fourth Proportional to 20,034.60, 27,637.63 and 18,609.87

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Solution

The fourth proportional to 20,034.60, 27,637.63 and 18,609.87 is: 25,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.60 : 27,637.63 = 18,609.87 : x
  2. Step 2: Convert to fraction form
    20,034.60/27,637.63 = 18,609.87/x
  3. Step 3: Cross multiply
    20,034.60x = 27,637.63 × 18,609.87
  4. Step 4: Simplify right side
    20,034.60x = 514,332,701.41
  5. Step 5: Solve for x
    x = 514,332,701.41/20,034.60
  6. Step 6: Final answer
    x = 25,672.22

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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.