Home / 28,360.14-42,542.18-9,632.54

Finding the Fourth Proportional to 28,360.14, 42,542.18 and 9,632.54

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Solution

The fourth proportional to 28,360.14, 42,542.18 and 9,632.54 is: 14,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.14 : 42,542.18 = 9,632.54 : x
  2. Step 2: Convert to fraction form
    28,360.14/42,542.18 = 9,632.54/x
  3. Step 3: Cross multiply
    28,360.14x = 42,542.18 × 9,632.54
  4. Step 4: Simplify right side
    28,360.14x = 409,789,250.54
  5. Step 5: Solve for x
    x = 409,789,250.54/28,360.14
  6. Step 6: Final answer
    x = 14,449.48

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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.