Home / 28,519.98-42,750.81-10,982.94

Finding the Fourth Proportional to 28,519.98, 42,750.81 and 10,982.94

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Solution

The fourth proportional to 28,519.98, 42,750.81 and 10,982.94 is: 16,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.98 : 42,750.81 = 10,982.94 : x
  2. Step 2: Convert to fraction form
    28,519.98/42,750.81 = 10,982.94/x
  3. Step 3: Cross multiply
    28,519.98x = 42,750.81 × 10,982.94
  4. Step 4: Simplify right side
    28,519.98x = 469,529,581.18
  5. Step 5: Solve for x
    x = 469,529,581.18/28,519.98
  6. Step 6: Final answer
    x = 16,463.18

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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.