Home / 25,436.30-38,156.88-7,901.42

Finding the Fourth Proportional to 25,436.30, 38,156.88 and 7,901.42

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Solution

The fourth proportional to 25,436.30, 38,156.88 and 7,901.42 is: 11,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.30 : 38,156.88 = 7,901.42 : x
  2. Step 2: Convert to fraction form
    25,436.30/38,156.88 = 7,901.42/x
  3. Step 3: Cross multiply
    25,436.30x = 38,156.88 × 7,901.42
  4. Step 4: Simplify right side
    25,436.30x = 301,493,534.77
  5. Step 5: Solve for x
    x = 301,493,534.77/25,436.30
  6. Step 6: Final answer
    x = 11,852.88

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1.5x scale

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.