Home / 25,724.39-38,601.36-13,878.14

Finding the Fourth Proportional to 25,724.39, 38,601.36 and 13,878.14

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Solution

The fourth proportional to 25,724.39, 38,601.36 and 13,878.14 is: 20,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.39 : 38,601.36 = 13,878.14 : x
  2. Step 2: Convert to fraction form
    25,724.39/38,601.36 = 13,878.14/x
  3. Step 3: Cross multiply
    25,724.39x = 38,601.36 × 13,878.14
  4. Step 4: Simplify right side
    25,724.39x = 535,714,885.26
  5. Step 5: Solve for x
    x = 535,714,885.26/25,724.39
  6. Step 6: Final answer
    x = 20,825.18

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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.