Home / 25,498.32-38,165.58-13,622.40

Finding the Fourth Proportional to 25,498.32, 38,165.58 and 13,622.40

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Solution

The fourth proportional to 25,498.32, 38,165.58 and 13,622.40 is: 20,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,498.32 : 38,165.58 = 13,622.40 : x
  2. Step 2: Convert to fraction form
    25,498.32/38,165.58 = 13,622.40/x
  3. Step 3: Cross multiply
    25,498.32x = 38,165.58 × 13,622.40
  4. Step 4: Simplify right side
    25,498.32x = 519,906,796.99
  5. Step 5: Solve for x
    x = 519,906,796.99/25,498.32
  6. Step 6: Final answer
    x = 20,389.85

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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.