Home / 25,297.12-34,910.56-13,966.56

Finding the Fourth Proportional to 25,297.12, 34,910.56 and 13,966.56

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Solution

The fourth proportional to 25,297.12, 34,910.56 and 13,966.56 is: 19,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,297.12 : 34,910.56 = 13,966.56 : x
  2. Step 2: Convert to fraction form
    25,297.12/34,910.56 = 13,966.56/x
  3. Step 3: Cross multiply
    25,297.12x = 34,910.56 × 13,966.56
  4. Step 4: Simplify right side
    25,297.12x = 487,580,430.87
  5. Step 5: Solve for x
    x = 487,580,430.87/25,297.12
  6. Step 6: Final answer
    x = 19,274.15

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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.