Home / 28,092.84-42,143.82-10,564.08

Finding the Fourth Proportional to 28,092.84, 42,143.82 and 10,564.08

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Solution

The fourth proportional to 28,092.84, 42,143.82 and 10,564.08 is: 15,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.84 : 42,143.82 = 10,564.08 : x
  2. Step 2: Convert to fraction form
    28,092.84/42,143.82 = 10,564.08/x
  3. Step 3: Cross multiply
    28,092.84x = 42,143.82 × 10,564.08
  4. Step 4: Simplify right side
    28,092.84x = 445,210,685.99
  5. Step 5: Solve for x
    x = 445,210,685.99/28,092.84
  6. Step 6: Final answer
    x = 15,847.83

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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.