Home / 28,472.23-42,717.48-13,682.22

Finding the Fourth Proportional to 28,472.23, 42,717.48 and 13,682.22

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Solution

The fourth proportional to 28,472.23, 42,717.48 and 13,682.22 is: 20,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472.23 : 42,717.48 = 13,682.22 : x
  2. Step 2: Convert to fraction form
    28,472.23/42,717.48 = 13,682.22/x
  3. Step 3: Cross multiply
    28,472.23x = 42,717.48 × 13,682.22
  4. Step 4: Simplify right side
    28,472.23x = 584,469,959.21
  5. Step 5: Solve for x
    x = 584,469,959.21/28,472.23
  6. Step 6: Final answer
    x = 20,527.72

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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.