Home / 28,846.28-39,802.61-21,933.41

Finding the Fourth Proportional to 28,846.28, 39,802.61 and 21,933.41

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Solution

The fourth proportional to 28,846.28, 39,802.61 and 21,933.41 is: 30,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.28 : 39,802.61 = 21,933.41 : x
  2. Step 2: Convert to fraction form
    28,846.28/39,802.61 = 21,933.41/x
  3. Step 3: Cross multiply
    28,846.28x = 39,802.61 × 21,933.41
  4. Step 4: Simplify right side
    28,846.28x = 873,006,820.02
  5. Step 5: Solve for x
    x = 873,006,820.02/28,846.28
  6. Step 6: Final answer
    x = 30,264.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.