Home / 23,137.40-31,929.72-12,527.04

Finding the Fourth Proportional to 23,137.40, 31,929.72 and 12,527.04

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Solution

The fourth proportional to 23,137.40, 31,929.72 and 12,527.04 is: 17,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.40 : 31,929.72 = 12,527.04 : x
  2. Step 2: Convert to fraction form
    23,137.40/31,929.72 = 12,527.04/x
  3. Step 3: Cross multiply
    23,137.40x = 31,929.72 × 12,527.04
  4. Step 4: Simplify right side
    23,137.40x = 399,984,879.63
  5. Step 5: Solve for x
    x = 399,984,879.63/23,137.40
  6. Step 6: Final answer
    x = 17,287.37

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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.