Home / 28,360.35-42,542.60-9,632.79

Finding the Fourth Proportional to 28,360.35, 42,542.60 and 9,632.79

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Solution

The fourth proportional to 28,360.35, 42,542.60 and 9,632.79 is: 14,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.35 : 42,542.60 = 9,632.79 : x
  2. Step 2: Convert to fraction form
    28,360.35/42,542.60 = 9,632.79/x
  3. Step 3: Cross multiply
    28,360.35x = 42,542.60 × 9,632.79
  4. Step 4: Simplify right side
    28,360.35x = 409,803,883.69
  5. Step 5: Solve for x
    x = 409,803,883.69/28,360.35
  6. Step 6: Final answer
    x = 14,449.89

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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.