Home / 28,848.12-43,257.10-13,039.56

Finding the Fourth Proportional to 28,848.12, 43,257.10 and 13,039.56

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Solution

The fourth proportional to 28,848.12, 43,257.10 and 13,039.56 is: 19,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.12 : 43,257.10 = 13,039.56 : x
  2. Step 2: Convert to fraction form
    28,848.12/43,257.10 = 13,039.56/x
  3. Step 3: Cross multiply
    28,848.12x = 43,257.10 × 13,039.56
  4. Step 4: Simplify right side
    28,848.12x = 564,053,550.88
  5. Step 5: Solve for x
    x = 564,053,550.88/28,848.12
  6. Step 6: Final answer
    x = 19,552.52

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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.