Home / 28,358.63-42,542.57-8,632.56

Finding the Fourth Proportional to 28,358.63, 42,542.57 and 8,632.56

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Solution

The fourth proportional to 28,358.63, 42,542.57 and 8,632.56 is: 12,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358.63 : 42,542.57 = 8,632.56 : x
  2. Step 2: Convert to fraction form
    28,358.63/42,542.57 = 8,632.56/x
  3. Step 3: Cross multiply
    28,358.63x = 42,542.57 × 8,632.56
  4. Step 4: Simplify right side
    28,358.63x = 367,251,288.08
  5. Step 5: Solve for x
    x = 367,251,288.08/28,358.63
  6. Step 6: Final answer
    x = 12,950.25

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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.