Home / 28,836.56-43,259.16-9,108.74

Finding the Fourth Proportional to 28,836.56, 43,259.16 and 9,108.74

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Solution

The fourth proportional to 28,836.56, 43,259.16 and 9,108.74 is: 13,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.56 : 43,259.16 = 9,108.74 : x
  2. Step 2: Convert to fraction form
    28,836.56/43,259.16 = 9,108.74/x
  3. Step 3: Cross multiply
    28,836.56x = 43,259.16 × 9,108.74
  4. Step 4: Simplify right side
    28,836.56x = 394,036,441.06
  5. Step 5: Solve for x
    x = 394,036,441.06/28,836.56
  6. Step 6: Final answer
    x = 13,664.47

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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.