Home / 23,137.21-31,929.39-12,526.85

Finding the Fourth Proportional to 23,137.21, 31,929.39 and 12,526.85

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Solution

The fourth proportional to 23,137.21, 31,929.39 and 12,526.85 is: 17,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.21 : 31,929.39 = 12,526.85 : x
  2. Step 2: Convert to fraction form
    23,137.21/31,929.39 = 12,526.85/x
  3. Step 3: Cross multiply
    23,137.21x = 31,929.39 × 12,526.85
  4. Step 4: Simplify right side
    23,137.21x = 399,974,758.94
  5. Step 5: Solve for x
    x = 399,974,758.94/23,137.21
  6. Step 6: Final answer
    x = 17,287.08

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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.