Home / 28,027.31-42,039.75-6,966.91

Finding the Fourth Proportional to 28,027.31, 42,039.75 and 6,966.91

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Solution

The fourth proportional to 28,027.31, 42,039.75 and 6,966.91 is: 10,450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.31 : 42,039.75 = 6,966.91 : x
  2. Step 2: Convert to fraction form
    28,027.31/42,039.75 = 6,966.91/x
  3. Step 3: Cross multiply
    28,027.31x = 42,039.75 × 6,966.91
  4. Step 4: Simplify right side
    28,027.31x = 292,886,944.47
  5. Step 5: Solve for x
    x = 292,886,944.47/28,027.31
  6. Step 6: Final answer
    x = 10,450.06

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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.