Home / 21,481.87-32,191.65-15,254.08

Finding the Fourth Proportional to 21,481.87, 32,191.65 and 15,254.08

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Solution

The fourth proportional to 21,481.87, 32,191.65 and 15,254.08 is: 22,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.87 : 32,191.65 = 15,254.08 : x
  2. Step 2: Convert to fraction form
    21,481.87/32,191.65 = 15,254.08/x
  3. Step 3: Cross multiply
    21,481.87x = 32,191.65 × 15,254.08
  4. Step 4: Simplify right side
    21,481.87x = 491,054,004.43
  5. Step 5: Solve for x
    x = 491,054,004.43/21,481.87
  6. Step 6: Final answer
    x = 22,859.00

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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.