Home / 19,431.93-26,751.21-18,539.24

Finding the Fourth Proportional to 19,431.93, 26,751.21 and 18,539.24

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Solution

The fourth proportional to 19,431.93, 26,751.21 and 18,539.24 is: 25,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.93 : 26,751.21 = 18,539.24 : x
  2. Step 2: Convert to fraction form
    19,431.93/26,751.21 = 18,539.24/x
  3. Step 3: Cross multiply
    19,431.93x = 26,751.21 × 18,539.24
  4. Step 4: Simplify right side
    19,431.93x = 495,947,102.48
  5. Step 5: Solve for x
    x = 495,947,102.48/19,431.93
  6. Step 6: Final answer
    x = 25,522.28

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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.