Home / 25,288.31-34,897.80-13,957.79

Finding the Fourth Proportional to 25,288.31, 34,897.80 and 13,957.79

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Solution

The fourth proportional to 25,288.31, 34,897.80 and 13,957.79 is: 19,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.31 : 34,897.80 = 13,957.79 : x
  2. Step 2: Convert to fraction form
    25,288.31/34,897.80 = 13,957.79/x
  3. Step 3: Cross multiply
    25,288.31x = 34,897.80 × 13,957.79
  4. Step 4: Simplify right side
    25,288.31x = 487,096,163.86
  5. Step 5: Solve for x
    x = 487,096,163.86/25,288.31
  6. Step 6: Final answer
    x = 19,261.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.