Home / 21,536.27-32,320.20-14,138.13

Finding the Fourth Proportional to 21,536.27, 32,320.20 and 14,138.13

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Solution

The fourth proportional to 21,536.27, 32,320.20 and 14,138.13 is: 21,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.27 : 32,320.20 = 14,138.13 : x
  2. Step 2: Convert to fraction form
    21,536.27/32,320.20 = 14,138.13/x
  3. Step 3: Cross multiply
    21,536.27x = 32,320.20 × 14,138.13
  4. Step 4: Simplify right side
    21,536.27x = 456,947,189.23
  5. Step 5: Solve for x
    x = 456,947,189.23/21,536.27
  6. Step 6: Final answer
    x = 21,217.57

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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.