Home / 28,465.57-42,649.14-22,142.41

Finding the Fourth Proportional to 28,465.57, 42,649.14 and 22,142.41

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Solution

The fourth proportional to 28,465.57, 42,649.14 and 22,142.41 is: 33,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.57 : 42,649.14 = 22,142.41 : x
  2. Step 2: Convert to fraction form
    28,465.57/42,649.14 = 22,142.41/x
  3. Step 3: Cross multiply
    28,465.57x = 42,649.14 × 22,142.41
  4. Step 4: Simplify right side
    28,465.57x = 944,354,744.03
  5. Step 5: Solve for x
    x = 944,354,744.03/28,465.57
  6. Step 6: Final answer
    x = 33,175.33

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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.