Home / 25,719.08-35,493-14,388.20

Finding the Fourth Proportional to 25,719.08, 35,493 and 14,388.20

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Solution

The fourth proportional to 25,719.08, 35,493 and 14,388.20 is: 19,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.08 : 35,493 = 14,388.20 : x
  2. Step 2: Convert to fraction form
    25,719.08/35,493 = 14,388.20/x
  3. Step 3: Cross multiply
    25,719.08x = 35,493 × 14,388.20
  4. Step 4: Simplify right side
    25,719.08x = 510,680,382.60
  5. Step 5: Solve for x
    x = 510,680,382.60/25,719.08
  6. Step 6: Final answer
    x = 19,856.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.