Home / 20,532.51-30,824.28-14,331.96

Finding the Fourth Proportional to 20,532.51, 30,824.28 and 14,331.96

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Solution

The fourth proportional to 20,532.51, 30,824.28 and 14,331.96 is: 21,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.51 : 30,824.28 = 14,331.96 : x
  2. Step 2: Convert to fraction form
    20,532.51/30,824.28 = 14,331.96/x
  3. Step 3: Cross multiply
    20,532.51x = 30,824.28 × 14,331.96
  4. Step 4: Simplify right side
    20,532.51x = 441,772,347.99
  5. Step 5: Solve for x
    x = 441,772,347.99/20,532.51
  6. Step 6: Final answer
    x = 21,515.75

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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.