Home / 86,826.32-130,238.10-27,661.59

Finding the Fourth Proportional to 86,826.32, 130,238.10 and 27,661.59

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Solution

The fourth proportional to 86,826.32, 130,238.10 and 27,661.59 is: 41,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,826.32 : 130,238.10 = 27,661.59 : x
  2. Step 2: Convert to fraction form
    86,826.32/130,238.10 = 27,661.59/x
  3. Step 3: Cross multiply
    86,826.32x = 130,238.10 × 27,661.59
  4. Step 4: Simplify right side
    86,826.32x = 3,602,592,924.58
  5. Step 5: Solve for x
    x = 3,602,592,924.58/86,826.32
  6. Step 6: Final answer
    x = 41,491.95

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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.