Home / 21,971.71-32,957.53-8,824.07

Finding the Fourth Proportional to 21,971.71, 32,957.53 and 8,824.07

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Solution

The fourth proportional to 21,971.71, 32,957.53 and 8,824.07 is: 13,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.71 : 32,957.53 = 8,824.07 : x
  2. Step 2: Convert to fraction form
    21,971.71/32,957.53 = 8,824.07/x
  3. Step 3: Cross multiply
    21,971.71x = 32,957.53 × 8,824.07
  4. Step 4: Simplify right side
    21,971.71x = 290,819,551.75
  5. Step 5: Solve for x
    x = 290,819,551.75/21,971.71
  6. Step 6: Final answer
    x = 13,236.09

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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.