Home / 19,401.54-26,774.37-18,731.00

Finding the Fourth Proportional to 19,401.54, 26,774.37 and 18,731.00

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Solution

The fourth proportional to 19,401.54, 26,774.37 and 18,731.00 is: 25,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.54 : 26,774.37 = 18,731.00 : x
  2. Step 2: Convert to fraction form
    19,401.54/26,774.37 = 18,731.00/x
  3. Step 3: Cross multiply
    19,401.54x = 26,774.37 × 18,731.00
  4. Step 4: Simplify right side
    19,401.54x = 501,510,590.60
  5. Step 5: Solve for x
    x = 501,510,590.60/19,401.54
  6. Step 6: Final answer
    x = 25,849.01

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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.