Home / 25,808.85-38,724.21-14,108.40

Finding the Fourth Proportional to 25,808.85, 38,724.21 and 14,108.40

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Solution

The fourth proportional to 25,808.85, 38,724.21 and 14,108.40 is: 21,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.85 : 38,724.21 = 14,108.40 : x
  2. Step 2: Convert to fraction form
    25,808.85/38,724.21 = 14,108.40/x
  3. Step 3: Cross multiply
    25,808.85x = 38,724.21 × 14,108.40
  4. Step 4: Simplify right side
    25,808.85x = 546,336,644.36
  5. Step 5: Solve for x
    x = 546,336,644.36/25,808.85
  6. Step 6: Final answer
    x = 21,168.58

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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.