Home / 28,972.97-43,459.45-9,253.06

Finding the Fourth Proportional to 28,972.97, 43,459.45 and 9,253.06

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Solution

The fourth proportional to 28,972.97, 43,459.45 and 9,253.06 is: 13,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.97 : 43,459.45 = 9,253.06 : x
  2. Step 2: Convert to fraction form
    28,972.97/43,459.45 = 9,253.06/x
  3. Step 3: Cross multiply
    28,972.97x = 43,459.45 × 9,253.06
  4. Step 4: Simplify right side
    28,972.97x = 402,132,901.88
  5. Step 5: Solve for x
    x = 402,132,901.88/28,972.97
  6. Step 6: Final answer
    x = 13,879.59

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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.