Home / 28,329.32-42,519.96-28,223.48

Finding the Fourth Proportional to 28,329.32, 42,519.96 and 28,223.48

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Solution

The fourth proportional to 28,329.32, 42,519.96 and 28,223.48 is: 42,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.32 : 42,519.96 = 28,223.48 : x
  2. Step 2: Convert to fraction form
    28,329.32/42,519.96 = 28,223.48/x
  3. Step 3: Cross multiply
    28,329.32x = 42,519.96 × 28,223.48
  4. Step 4: Simplify right side
    28,329.32x = 1,200,061,240.66
  5. Step 5: Solve for x
    x = 1,200,061,240.66/28,329.32
  6. Step 6: Final answer
    x = 42,361.10

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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.