Home / 28,632.28-42,960.46-15,493.72

Finding the Fourth Proportional to 28,632.28, 42,960.46 and 15,493.72

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Solution

The fourth proportional to 28,632.28, 42,960.46 and 15,493.72 is: 23,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.28 : 42,960.46 = 15,493.72 : x
  2. Step 2: Convert to fraction form
    28,632.28/42,960.46 = 15,493.72/x
  3. Step 3: Cross multiply
    28,632.28x = 42,960.46 × 15,493.72
  4. Step 4: Simplify right side
    28,632.28x = 665,617,338.31
  5. Step 5: Solve for x
    x = 665,617,338.31/28,632.28
  6. Step 6: Final answer
    x = 23,247.10

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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.