Home / 40,928-56,507.76-26,805.92

Finding the Fourth Proportional to 40,928, 56,507.76 and 26,805.92

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Solution

The fourth proportional to 40,928, 56,507.76 and 26,805.92 is: 37,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928 : 56,507.76 = 26,805.92 : x
  2. Step 2: Convert to fraction form
    40,928/56,507.76 = 26,805.92/x
  3. Step 3: Cross multiply
    40,928x = 56,507.76 × 26,805.92
  4. Step 4: Simplify right side
    40,928x = 1,514,742,493.94
  5. Step 5: Solve for x
    x = 1,514,742,493.94/40,928
  6. Step 6: Final answer
    x = 37,009.93

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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.