Home / 28,650.17-42,975.47-10,876.04

Finding the Fourth Proportional to 28,650.17, 42,975.47 and 10,876.04

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Solution

The fourth proportional to 28,650.17, 42,975.47 and 10,876.04 is: 16,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,650.17 : 42,975.47 = 10,876.04 : x
  2. Step 2: Convert to fraction form
    28,650.17/42,975.47 = 10,876.04/x
  3. Step 3: Cross multiply
    28,650.17x = 42,975.47 × 10,876.04
  4. Step 4: Simplify right side
    28,650.17x = 467,402,661.48
  5. Step 5: Solve for x
    x = 467,402,661.48/28,650.17
  6. Step 6: Final answer
    x = 16,314.14

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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.