Home / 28,525.23-42,787.80-7,748.73

Finding the Fourth Proportional to 28,525.23, 42,787.80 and 7,748.73

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Solution

The fourth proportional to 28,525.23, 42,787.80 and 7,748.73 is: 11,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.23 : 42,787.80 = 7,748.73 : x
  2. Step 2: Convert to fraction form
    28,525.23/42,787.80 = 7,748.73/x
  3. Step 3: Cross multiply
    28,525.23x = 42,787.80 × 7,748.73
  4. Step 4: Simplify right side
    28,525.23x = 331,551,109.49
  5. Step 5: Solve for x
    x = 331,551,109.49/28,525.23
  6. Step 6: Final answer
    x = 11,623.08

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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.