Home / 21,507.78-32,246.92-10,957.38

Finding the Fourth Proportional to 21,507.78, 32,246.92 and 10,957.38

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Solution

The fourth proportional to 21,507.78, 32,246.92 and 10,957.38 is: 16,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507.78 : 32,246.92 = 10,957.38 : x
  2. Step 2: Convert to fraction form
    21,507.78/32,246.92 = 10,957.38/x
  3. Step 3: Cross multiply
    21,507.78x = 32,246.92 × 10,957.38
  4. Step 4: Simplify right side
    21,507.78x = 353,341,756.27
  5. Step 5: Solve for x
    x = 353,341,756.27/21,507.78
  6. Step 6: Final answer
    x = 16,428.56

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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.