Home / 21,485.61-32,251.97-17,071.65

Finding the Fourth Proportional to 21,485.61, 32,251.97 and 17,071.65

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Solution

The fourth proportional to 21,485.61, 32,251.97 and 17,071.65 is: 25,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.61 : 32,251.97 = 17,071.65 : x
  2. Step 2: Convert to fraction form
    21,485.61/32,251.97 = 17,071.65/x
  3. Step 3: Cross multiply
    21,485.61x = 32,251.97 × 17,071.65
  4. Step 4: Simplify right side
    21,485.61x = 550,594,343.65
  5. Step 5: Solve for x
    x = 550,594,343.65/21,485.61
  6. Step 6: Final answer
    x = 25,626.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.