Home / 19,438.72-26,825.20-11,055.20

Finding the Fourth Proportional to 19,438.72, 26,825.20 and 11,055.20

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Solution

The fourth proportional to 19,438.72, 26,825.20 and 11,055.20 is: 15,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.72 : 26,825.20 = 11,055.20 : x
  2. Step 2: Convert to fraction form
    19,438.72/26,825.20 = 11,055.20/x
  3. Step 3: Cross multiply
    19,438.72x = 26,825.20 × 11,055.20
  4. Step 4: Simplify right side
    19,438.72x = 296,557,951.04
  5. Step 5: Solve for x
    x = 296,557,951.04/19,438.72
  6. Step 6: Final answer
    x = 15,256.04

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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.