Home / 26,585.82-39,875.31-7,865.46

Finding the Fourth Proportional to 26,585.82, 39,875.31 and 7,865.46

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Solution

The fourth proportional to 26,585.82, 39,875.31 and 7,865.46 is: 11,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,585.82 : 39,875.31 = 7,865.46 : x
  2. Step 2: Convert to fraction form
    26,585.82/39,875.31 = 7,865.46/x
  3. Step 3: Cross multiply
    26,585.82x = 39,875.31 × 7,865.46
  4. Step 4: Simplify right side
    26,585.82x = 313,637,655.79
  5. Step 5: Solve for x
    x = 313,637,655.79/26,585.82
  6. Step 6: Final answer
    x = 11,797.18

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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.