Home / 19,148.68-28,676.34-13,575.52

Finding the Fourth Proportional to 19,148.68, 28,676.34 and 13,575.52

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Solution

The fourth proportional to 19,148.68, 28,676.34 and 13,575.52 is: 20,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.68 : 28,676.34 = 13,575.52 : x
  2. Step 2: Convert to fraction form
    19,148.68/28,676.34 = 13,575.52/x
  3. Step 3: Cross multiply
    19,148.68x = 28,676.34 × 13,575.52
  4. Step 4: Simplify right side
    19,148.68x = 389,296,227.20
  5. Step 5: Solve for x
    x = 389,296,227.20/19,148.68
  6. Step 6: Final answer
    x = 20,330.19

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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.