Home / 43,128-59,518.08-26,357.76

Finding the Fourth Proportional to 43,128, 59,518.08 and 26,357.76

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Solution

The fourth proportional to 43,128, 59,518.08 and 26,357.76 is: 36,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128 : 59,518.08 = 26,357.76 : x
  2. Step 2: Convert to fraction form
    43,128/59,518.08 = 26,357.76/x
  3. Step 3: Cross multiply
    43,128x = 59,518.08 × 26,357.76
  4. Step 4: Simplify right side
    43,128x = 1,568,763,268.30
  5. Step 5: Solve for x
    x = 1,568,763,268.30/43,128
  6. Step 6: Final answer
    x = 36,374.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.