Home / 25,861.68-38,756.07-11,787.12

Finding the Fourth Proportional to 25,861.68, 38,756.07 and 11,787.12

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Solution

The fourth proportional to 25,861.68, 38,756.07 and 11,787.12 is: 17,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.68 : 38,756.07 = 11,787.12 : x
  2. Step 2: Convert to fraction form
    25,861.68/38,756.07 = 11,787.12/x
  3. Step 3: Cross multiply
    25,861.68x = 38,756.07 × 11,787.12
  4. Step 4: Simplify right side
    25,861.68x = 456,822,447.82
  5. Step 5: Solve for x
    x = 456,822,447.82/25,861.68
  6. Step 6: Final answer
    x = 17,664.07

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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.