Home / 26,904.65-40,357.02-12,861.38

Finding the Fourth Proportional to 26,904.65, 40,357.02 and 12,861.38

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Solution

The fourth proportional to 26,904.65, 40,357.02 and 12,861.38 is: 19,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,904.65 : 40,357.02 = 12,861.38 : x
  2. Step 2: Convert to fraction form
    26,904.65/40,357.02 = 12,861.38/x
  3. Step 3: Cross multiply
    26,904.65x = 40,357.02 × 12,861.38
  4. Step 4: Simplify right side
    26,904.65x = 519,046,871.21
  5. Step 5: Solve for x
    x = 519,046,871.21/26,904.65
  6. Step 6: Final answer
    x = 19,292.09

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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.