Home / 21,456.08-32,154.95-15,930.26

Finding the Fourth Proportional to 21,456.08, 32,154.95 and 15,930.26

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Solution

The fourth proportional to 21,456.08, 32,154.95 and 15,930.26 is: 23,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456.08 : 32,154.95 = 15,930.26 : x
  2. Step 2: Convert to fraction form
    21,456.08/32,154.95 = 15,930.26/x
  3. Step 3: Cross multiply
    21,456.08x = 32,154.95 × 15,930.26
  4. Step 4: Simplify right side
    21,456.08x = 512,236,713.79
  5. Step 5: Solve for x
    x = 512,236,713.79/21,456.08
  6. Step 6: Final answer
    x = 23,873.73

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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.