Home / 21,634.68-32,498.08-20,370.64

Finding the Fourth Proportional to 21,634.68, 32,498.08 and 20,370.64

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Solution

The fourth proportional to 21,634.68, 32,498.08 and 20,370.64 is: 30,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.68 : 32,498.08 = 20,370.64 : x
  2. Step 2: Convert to fraction form
    21,634.68/32,498.08 = 20,370.64/x
  3. Step 3: Cross multiply
    21,634.68x = 32,498.08 × 20,370.64
  4. Step 4: Simplify right side
    21,634.68x = 662,006,688.37
  5. Step 5: Solve for x
    x = 662,006,688.37/21,634.68
  6. Step 6: Final answer
    x = 30,599.33

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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.