Home / 25,929.31-38,896.70-11,886.95

Finding the Fourth Proportional to 25,929.31, 38,896.70 and 11,886.95

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Solution

The fourth proportional to 25,929.31, 38,896.70 and 11,886.95 is: 17,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.31 : 38,896.70 = 11,886.95 : x
  2. Step 2: Convert to fraction form
    25,929.31/38,896.70 = 11,886.95/x
  3. Step 3: Cross multiply
    25,929.31x = 38,896.70 × 11,886.95
  4. Step 4: Simplify right side
    25,929.31x = 462,363,128.07
  5. Step 5: Solve for x
    x = 462,363,128.07/25,929.31
  6. Step 6: Final answer
    x = 17,831.68

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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.