Home / 28,934.12-43,401.54-9,212.60

Finding the Fourth Proportional to 28,934.12, 43,401.54 and 9,212.60

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Solution

The fourth proportional to 28,934.12, 43,401.54 and 9,212.60 is: 13,819.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.12 : 43,401.54 = 9,212.60 : x
  2. Step 2: Convert to fraction form
    28,934.12/43,401.54 = 9,212.60/x
  3. Step 3: Cross multiply
    28,934.12x = 43,401.54 × 9,212.60
  4. Step 4: Simplify right side
    28,934.12x = 399,841,027.40
  5. Step 5: Solve for x
    x = 399,841,027.40/28,934.12
  6. Step 6: Final answer
    x = 13,819.01

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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.