Home / 25,118.96-34,661.77-15,047.24

Finding the Fourth Proportional to 25,118.96, 34,661.77 and 15,047.24

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Solution

The fourth proportional to 25,118.96, 34,661.77 and 15,047.24 is: 20,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.96 : 34,661.77 = 15,047.24 : x
  2. Step 2: Convert to fraction form
    25,118.96/34,661.77 = 15,047.24/x
  3. Step 3: Cross multiply
    25,118.96x = 34,661.77 × 15,047.24
  4. Step 4: Simplify right side
    25,118.96x = 521,563,761.09
  5. Step 5: Solve for x
    x = 521,563,761.09/25,118.96
  6. Step 6: Final answer
    x = 20,763.75

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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.