Home / 21,520.26-32,274.45-15,261.84

Finding the Fourth Proportional to 21,520.26, 32,274.45 and 15,261.84

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Solution

The fourth proportional to 21,520.26, 32,274.45 and 15,261.84 is: 22,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,520.26 : 32,274.45 = 15,261.84 : x
  2. Step 2: Convert to fraction form
    21,520.26/32,274.45 = 15,261.84/x
  3. Step 3: Cross multiply
    21,520.26x = 32,274.45 × 15,261.84
  4. Step 4: Simplify right side
    21,520.26x = 492,567,491.99
  5. Step 5: Solve for x
    x = 492,567,491.99/21,520.26
  6. Step 6: Final answer
    x = 22,888.55

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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.