Home / 28,061.28-41,963.99-20,950.56

Finding the Fourth Proportional to 28,061.28, 41,963.99 and 20,950.56

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Solution

The fourth proportional to 28,061.28, 41,963.99 and 20,950.56 is: 31,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.28 : 41,963.99 = 20,950.56 : x
  2. Step 2: Convert to fraction form
    28,061.28/41,963.99 = 20,950.56/x
  3. Step 3: Cross multiply
    28,061.28x = 41,963.99 × 20,950.56
  4. Step 4: Simplify right side
    28,061.28x = 879,168,985.58
  5. Step 5: Solve for x
    x = 879,168,985.58/28,061.28
  6. Step 6: Final answer
    x = 31,330.32

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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.