Home / 25,983.64-38,961.58-13,491.08

Finding the Fourth Proportional to 25,983.64, 38,961.58 and 13,491.08

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Solution

The fourth proportional to 25,983.64, 38,961.58 and 13,491.08 is: 20,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,983.64 : 38,961.58 = 13,491.08 : x
  2. Step 2: Convert to fraction form
    25,983.64/38,961.58 = 13,491.08/x
  3. Step 3: Cross multiply
    25,983.64x = 38,961.58 × 13,491.08
  4. Step 4: Simplify right side
    25,983.64x = 525,633,792.71
  5. Step 5: Solve for x
    x = 525,633,792.71/25,983.64
  6. Step 6: Final answer
    x = 20,229.41

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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.