Home / 21,452.08-32,031.38-19,216.48

Finding the Fourth Proportional to 21,452.08, 32,031.38 and 19,216.48

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Solution

The fourth proportional to 21,452.08, 32,031.38 and 19,216.48 is: 28,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.08 : 32,031.38 = 19,216.48 : x
  2. Step 2: Convert to fraction form
    21,452.08/32,031.38 = 19,216.48/x
  3. Step 3: Cross multiply
    21,452.08x = 32,031.38 × 19,216.48
  4. Step 4: Simplify right side
    21,452.08x = 615,530,373.14
  5. Step 5: Solve for x
    x = 615,530,373.14/21,452.08
  6. Step 6: Final answer
    x = 28,693.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.