Home / 23,137.20-31,929.30-12,526.83

Finding the Fourth Proportional to 23,137.20, 31,929.30 and 12,526.83

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Solution

The fourth proportional to 23,137.20, 31,929.30 and 12,526.83 is: 17,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.20 : 31,929.30 = 12,526.83 : x
  2. Step 2: Convert to fraction form
    23,137.20/31,929.30 = 12,526.83/x
  3. Step 3: Cross multiply
    23,137.20x = 31,929.30 × 12,526.83
  4. Step 4: Simplify right side
    23,137.20x = 399,972,913.12
  5. Step 5: Solve for x
    x = 399,972,913.12/23,137.20
  6. Step 6: Final answer
    x = 17,287.01

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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.