Home / 19,404.28-26,759.73-15,438.52

Finding the Fourth Proportional to 19,404.28, 26,759.73 and 15,438.52

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Solution

The fourth proportional to 19,404.28, 26,759.73 and 15,438.52 is: 21,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.28 : 26,759.73 = 15,438.52 : x
  2. Step 2: Convert to fraction form
    19,404.28/26,759.73 = 15,438.52/x
  3. Step 3: Cross multiply
    19,404.28x = 26,759.73 × 15,438.52
  4. Step 4: Simplify right side
    19,404.28x = 413,130,626.80
  5. Step 5: Solve for x
    x = 413,130,626.80/19,404.28
  6. Step 6: Final answer
    x = 21,290.70

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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.