Home / 28,027.44-42,055.80-11,399.76

Finding the Fourth Proportional to 28,027.44, 42,055.80 and 11,399.76

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Solution

The fourth proportional to 28,027.44, 42,055.80 and 11,399.76 is: 17,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.44 : 42,055.80 = 11,399.76 : x
  2. Step 2: Convert to fraction form
    28,027.44/42,055.80 = 11,399.76/x
  3. Step 3: Cross multiply
    28,027.44x = 42,055.80 × 11,399.76
  4. Step 4: Simplify right side
    28,027.44x = 479,426,026.61
  5. Step 5: Solve for x
    x = 479,426,026.61/28,027.44
  6. Step 6: Final answer
    x = 17,105.59

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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.