Home / 25,719.58-38,580.48-12,583

Finding the Fourth Proportional to 25,719.58, 38,580.48 and 12,583

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Solution

The fourth proportional to 25,719.58, 38,580.48 and 12,583 is: 18,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.58 : 38,580.48 = 12,583 : x
  2. Step 2: Convert to fraction form
    25,719.58/38,580.48 = 12,583/x
  3. Step 3: Cross multiply
    25,719.58x = 38,580.48 × 12,583
  4. Step 4: Simplify right side
    25,719.58x = 485,458,179.84
  5. Step 5: Solve for x
    x = 485,458,179.84/25,719.58
  6. Step 6: Final answer
    x = 18,875.04

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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.