Home / 21,939.15-32,913.57-10,245.99

Finding the Fourth Proportional to 21,939.15, 32,913.57 and 10,245.99

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Solution

The fourth proportional to 21,939.15, 32,913.57 and 10,245.99 is: 15,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939.15 : 32,913.57 = 10,245.99 : x
  2. Step 2: Convert to fraction form
    21,939.15/32,913.57 = 10,245.99/x
  3. Step 3: Cross multiply
    21,939.15x = 32,913.57 × 10,245.99
  4. Step 4: Simplify right side
    21,939.15x = 337,232,109.08
  5. Step 5: Solve for x
    x = 337,232,109.08/21,939.15
  6. Step 6: Final answer
    x = 15,371.25

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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.