Home / 25,719.60-38,579.40-15,826.80

Finding the Fourth Proportional to 25,719.60, 38,579.40 and 15,826.80

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Solution

The fourth proportional to 25,719.60, 38,579.40 and 15,826.80 is: 23,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.60 : 38,579.40 = 15,826.80 : x
  2. Step 2: Convert to fraction form
    25,719.60/38,579.40 = 15,826.80/x
  3. Step 3: Cross multiply
    25,719.60x = 38,579.40 × 15,826.80
  4. Step 4: Simplify right side
    25,719.60x = 610,588,447.92
  5. Step 5: Solve for x
    x = 610,588,447.92/25,719.60
  6. Step 6: Final answer
    x = 23,740.20

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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.