Home / 28,039.21-42,046.52-10,496.74

Finding the Fourth Proportional to 28,039.21, 42,046.52 and 10,496.74

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Solution

The fourth proportional to 28,039.21, 42,046.52 and 10,496.74 is: 15,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039.21 : 42,046.52 = 10,496.74 : x
  2. Step 2: Convert to fraction form
    28,039.21/42,046.52 = 10,496.74/x
  3. Step 3: Cross multiply
    28,039.21x = 42,046.52 × 10,496.74
  4. Step 4: Simplify right side
    28,039.21x = 441,351,388.34
  5. Step 5: Solve for x
    x = 441,351,388.34/28,039.21
  6. Step 6: Final answer
    x = 15,740.51

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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.