Home / 23,491.29-32,417.92-12,880.90

Finding the Fourth Proportional to 23,491.29, 32,417.92 and 12,880.90

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Solution

The fourth proportional to 23,491.29, 32,417.92 and 12,880.90 is: 17,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.29 : 32,417.92 = 12,880.90 : x
  2. Step 2: Convert to fraction form
    23,491.29/32,417.92 = 12,880.90/x
  3. Step 3: Cross multiply
    23,491.29x = 32,417.92 × 12,880.90
  4. Step 4: Simplify right side
    23,491.29x = 417,571,985.73
  5. Step 5: Solve for x
    x = 417,571,985.73/23,491.29
  6. Step 6: Final answer
    x = 17,775.61

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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.