Home / 23,491.45-32,418.03-12,880.90

Finding the Fourth Proportional to 23,491.45, 32,418.03 and 12,880.90

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Solution

The fourth proportional to 23,491.45, 32,418.03 and 12,880.90 is: 17,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.45 : 32,418.03 = 12,880.90 : x
  2. Step 2: Convert to fraction form
    23,491.45/32,418.03 = 12,880.90/x
  3. Step 3: Cross multiply
    23,491.45x = 32,418.03 × 12,880.90
  4. Step 4: Simplify right side
    23,491.45x = 417,573,402.63
  5. Step 5: Solve for x
    x = 417,573,402.63/23,491.45
  6. Step 6: Final answer
    x = 17,775.55

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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.