Home / 29,039.76-43,279.74-28,456.56

Finding the Fourth Proportional to 29,039.76, 43,279.74 and 28,456.56

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Solution

The fourth proportional to 29,039.76, 43,279.74 and 28,456.56 is: 42,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,039.76 : 43,279.74 = 28,456.56 : x
  2. Step 2: Convert to fraction form
    29,039.76/43,279.74 = 28,456.56/x
  3. Step 3: Cross multiply
    29,039.76x = 43,279.74 × 28,456.56
  4. Step 4: Simplify right side
    29,039.76x = 1,231,592,518.09
  5. Step 5: Solve for x
    x = 1,231,592,518.09/29,039.76
  6. Step 6: Final answer
    x = 42,410.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.