Home / 35,916.08-53,872.68-13,728.56

Finding the Fourth Proportional to 35,916.08, 53,872.68 and 13,728.56

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Solution

The fourth proportional to 35,916.08, 53,872.68 and 13,728.56 is: 20,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916.08 : 53,872.68 = 13,728.56 : x
  2. Step 2: Convert to fraction form
    35,916.08/53,872.68 = 13,728.56/x
  3. Step 3: Cross multiply
    35,916.08x = 53,872.68 × 13,728.56
  4. Step 4: Simplify right side
    35,916.08x = 739,594,319.74
  5. Step 5: Solve for x
    x = 739,594,319.74/35,916.08
  6. Step 6: Final answer
    x = 20,592.29

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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.