Home / 21,708.28-32,562.44-10,015.12

Finding the Fourth Proportional to 21,708.28, 32,562.44 and 10,015.12

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Solution

The fourth proportional to 21,708.28, 32,562.44 and 10,015.12 is: 15,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.28 : 32,562.44 = 10,015.12 : x
  2. Step 2: Convert to fraction form
    21,708.28/32,562.44 = 10,015.12/x
  3. Step 3: Cross multiply
    21,708.28x = 32,562.44 × 10,015.12
  4. Step 4: Simplify right side
    21,708.28x = 326,116,744.09
  5. Step 5: Solve for x
    x = 326,116,744.09/21,708.28
  6. Step 6: Final answer
    x = 15,022.69

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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.