Home / 23,357.81-32,234.67-13,287.17

Finding the Fourth Proportional to 23,357.81, 32,234.67 and 13,287.17

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Solution

The fourth proportional to 23,357.81, 32,234.67 and 13,287.17 is: 18,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,357.81 : 32,234.67 = 13,287.17 : x
  2. Step 2: Convert to fraction form
    23,357.81/32,234.67 = 13,287.17/x
  3. Step 3: Cross multiply
    23,357.81x = 32,234.67 × 13,287.17
  4. Step 4: Simplify right side
    23,357.81x = 428,307,620.77
  5. Step 5: Solve for x
    x = 428,307,620.77/23,357.81
  6. Step 6: Final answer
    x = 18,336.80

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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.