Home / 28,665.92-42,962.42-15,529.34

Finding the Fourth Proportional to 28,665.92, 42,962.42 and 15,529.34

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Solution

The fourth proportional to 28,665.92, 42,962.42 and 15,529.34 is: 23,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.92 : 42,962.42 = 15,529.34 : x
  2. Step 2: Convert to fraction form
    28,665.92/42,962.42 = 15,529.34/x
  3. Step 3: Cross multiply
    28,665.92x = 42,962.42 × 15,529.34
  4. Step 4: Simplify right side
    28,665.92x = 667,178,027.40
  5. Step 5: Solve for x
    x = 667,178,027.40/28,665.92
  6. Step 6: Final answer
    x = 23,274.26

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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.