Home / 21,521.28-32,275.96-15,262.80

Finding the Fourth Proportional to 21,521.28, 32,275.96 and 15,262.80

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Solution

The fourth proportional to 21,521.28, 32,275.96 and 15,262.80 is: 22,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.28 : 32,275.96 = 15,262.80 : x
  2. Step 2: Convert to fraction form
    21,521.28/32,275.96 = 15,262.80/x
  3. Step 3: Cross multiply
    21,521.28x = 32,275.96 × 15,262.80
  4. Step 4: Simplify right side
    21,521.28x = 492,621,522.29
  5. Step 5: Solve for x
    x = 492,621,522.29/21,521.28
  6. Step 6: Final answer
    x = 22,889.97

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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.