Home / 87,028.79-130,545-27,864.29

Finding the Fourth Proportional to 87,028.79, 130,545 and 27,864.29

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Solution

The fourth proportional to 87,028.79, 130,545 and 27,864.29 is: 41,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,028.79 : 130,545 = 27,864.29 : x
  2. Step 2: Convert to fraction form
    87,028.79/130,545 = 27,864.29/x
  3. Step 3: Cross multiply
    87,028.79x = 130,545 × 27,864.29
  4. Step 4: Simplify right side
    87,028.79x = 3,637,544,064.41
  5. Step 5: Solve for x
    x = 3,637,544,064.41/87,028.79
  6. Step 6: Final answer
    x = 41,797.02

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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.