Home / 20,501.68-30,733.26-18,675.64

Finding the Fourth Proportional to 20,501.68, 30,733.26 and 18,675.64

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Solution

The fourth proportional to 20,501.68, 30,733.26 and 18,675.64 is: 27,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.68 : 30,733.26 = 18,675.64 : x
  2. Step 2: Convert to fraction form
    20,501.68/30,733.26 = 18,675.64/x
  3. Step 3: Cross multiply
    20,501.68x = 30,733.26 × 18,675.64
  4. Step 4: Simplify right side
    20,501.68x = 573,963,299.79
  5. Step 5: Solve for x
    x = 573,963,299.79/20,501.68
  6. Step 6: Final answer
    x = 27,995.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.