Home / 28,087.72-42,105.54-10,569.16

Finding the Fourth Proportional to 28,087.72, 42,105.54 and 10,569.16

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Solution

The fourth proportional to 28,087.72, 42,105.54 and 10,569.16 is: 15,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.72 : 42,105.54 = 10,569.16 : x
  2. Step 2: Convert to fraction form
    28,087.72/42,105.54 = 10,569.16/x
  3. Step 3: Cross multiply
    28,087.72x = 42,105.54 × 10,569.16
  4. Step 4: Simplify right side
    28,087.72x = 445,020,189.15
  5. Step 5: Solve for x
    x = 445,020,189.15/28,087.72
  6. Step 6: Final answer
    x = 15,843.94

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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.