Home / 22,829.68-31,505.63-12,758.15

Finding the Fourth Proportional to 22,829.68, 31,505.63 and 12,758.15

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Solution

The fourth proportional to 22,829.68, 31,505.63 and 12,758.15 is: 17,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,829.68 : 31,505.63 = 12,758.15 : x
  2. Step 2: Convert to fraction form
    22,829.68/31,505.63 = 12,758.15/x
  3. Step 3: Cross multiply
    22,829.68x = 31,505.63 × 12,758.15
  4. Step 4: Simplify right side
    22,829.68x = 401,953,553.38
  5. Step 5: Solve for x
    x = 401,953,553.38/22,829.68
  6. Step 6: Final answer
    x = 17,606.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.