Home / 26,656.27-36,787.79-15,329.43

Finding the Fourth Proportional to 26,656.27, 36,787.79 and 15,329.43

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Solution

The fourth proportional to 26,656.27, 36,787.79 and 15,329.43 is: 21,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.27 : 36,787.79 = 15,329.43 : x
  2. Step 2: Convert to fraction form
    26,656.27/36,787.79 = 15,329.43/x
  3. Step 3: Cross multiply
    26,656.27x = 36,787.79 × 15,329.43
  4. Step 4: Simplify right side
    26,656.27x = 563,935,889.98
  5. Step 5: Solve for x
    x = 563,935,889.98/26,656.27
  6. Step 6: Final answer
    x = 21,155.85

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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.