Home / 19,428.24-26,807.76-11,043.12

Finding the Fourth Proportional to 19,428.24, 26,807.76 and 11,043.12

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Solution

The fourth proportional to 19,428.24, 26,807.76 and 11,043.12 is: 15,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.24 : 26,807.76 = 11,043.12 : x
  2. Step 2: Convert to fraction form
    19,428.24/26,807.76 = 11,043.12/x
  3. Step 3: Cross multiply
    19,428.24x = 26,807.76 × 11,043.12
  4. Step 4: Simplify right side
    19,428.24x = 296,041,310.61
  5. Step 5: Solve for x
    x = 296,041,310.61/19,428.24
  6. Step 6: Final answer
    x = 15,237.68

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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.