Home / 28,308.85-42,469.32-9,588.24

Finding the Fourth Proportional to 28,308.85, 42,469.32 and 9,588.24

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Solution

The fourth proportional to 28,308.85, 42,469.32 and 9,588.24 is: 14,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308.85 : 42,469.32 = 9,588.24 : x
  2. Step 2: Convert to fraction form
    28,308.85/42,469.32 = 9,588.24/x
  3. Step 3: Cross multiply
    28,308.85x = 42,469.32 × 9,588.24
  4. Step 4: Simplify right side
    28,308.85x = 407,206,032.80
  5. Step 5: Solve for x
    x = 407,206,032.80/28,308.85
  6. Step 6: Final answer
    x = 14,384.41

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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.