Home / 28,999.11-43,494.53-9,275.07

Finding the Fourth Proportional to 28,999.11, 43,494.53 and 9,275.07

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Solution

The fourth proportional to 28,999.11, 43,494.53 and 9,275.07 is: 13,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.11 : 43,494.53 = 9,275.07 : x
  2. Step 2: Convert to fraction form
    28,999.11/43,494.53 = 9,275.07/x
  3. Step 3: Cross multiply
    28,999.11x = 43,494.53 × 9,275.07
  4. Step 4: Simplify right side
    28,999.11x = 403,414,763.99
  5. Step 5: Solve for x
    x = 403,414,763.99/28,999.11
  6. Step 6: Final answer
    x = 13,911.28

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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.