Home / 19,438.52-26,827.68-14,138.60

Finding the Fourth Proportional to 19,438.52, 26,827.68 and 14,138.60

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Solution

The fourth proportional to 19,438.52, 26,827.68 and 14,138.60 is: 19,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.52 : 26,827.68 = 14,138.60 : x
  2. Step 2: Convert to fraction form
    19,438.52/26,827.68 = 14,138.60/x
  3. Step 3: Cross multiply
    19,438.52x = 26,827.68 × 14,138.60
  4. Step 4: Simplify right side
    19,438.52x = 379,305,836.45
  5. Step 5: Solve for x
    x = 379,305,836.45/19,438.52
  6. Step 6: Final answer
    x = 19,513.10

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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.