Home / 28,999.28-43,502.04-9,270.80

Finding the Fourth Proportional to 28,999.28, 43,502.04 and 9,270.80

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Solution

The fourth proportional to 28,999.28, 43,502.04 and 9,270.80 is: 13,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.28 : 43,502.04 = 9,270.80 : x
  2. Step 2: Convert to fraction form
    28,999.28/43,502.04 = 9,270.80/x
  3. Step 3: Cross multiply
    28,999.28x = 43,502.04 × 9,270.80
  4. Step 4: Simplify right side
    28,999.28x = 403,298,712.43
  5. Step 5: Solve for x
    x = 403,298,712.43/28,999.28
  6. Step 6: Final answer
    x = 13,907.20

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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.