Home / 19,438.38-26,787.51-14,124.78

Finding the Fourth Proportional to 19,438.38, 26,787.51 and 14,124.78

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Solution

The fourth proportional to 19,438.38, 26,787.51 and 14,124.78 is: 19,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.38 : 26,787.51 = 14,124.78 : x
  2. Step 2: Convert to fraction form
    19,438.38/26,787.51 = 14,124.78/x
  3. Step 3: Cross multiply
    19,438.38x = 26,787.51 × 14,124.78
  4. Step 4: Simplify right side
    19,438.38x = 378,367,685.50
  5. Step 5: Solve for x
    x = 378,367,685.50/19,438.38
  6. Step 6: Final answer
    x = 19,464.98

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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.