Home / 86,822.24-130,253-27,661.28

Finding the Fourth Proportional to 86,822.24, 130,253 and 27,661.28

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Solution

The fourth proportional to 86,822.24, 130,253 and 27,661.28 is: 41,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,822.24 : 130,253 = 27,661.28 : x
  2. Step 2: Convert to fraction form
    86,822.24/130,253 = 27,661.28/x
  3. Step 3: Cross multiply
    86,822.24x = 130,253 × 27,661.28
  4. Step 4: Simplify right side
    86,822.24x = 3,602,964,703.84
  5. Step 5: Solve for x
    x = 3,602,964,703.84/86,822.24
  6. Step 6: Final answer
    x = 41,498.18

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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.