Home / 19,002.78-26,199.24-13,023.75

Finding the Fourth Proportional to 19,002.78, 26,199.24 and 13,023.75

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Solution

The fourth proportional to 19,002.78, 26,199.24 and 13,023.75 is: 17,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.78 : 26,199.24 = 13,023.75 : x
  2. Step 2: Convert to fraction form
    19,002.78/26,199.24 = 13,023.75/x
  3. Step 3: Cross multiply
    19,002.78x = 26,199.24 × 13,023.75
  4. Step 4: Simplify right side
    19,002.78x = 341,212,351.95
  5. Step 5: Solve for x
    x = 341,212,351.95/19,002.78
  6. Step 6: Final answer
    x = 17,955.92

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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.