Home / 25,523.19-35,221.10-14,919.75

Finding the Fourth Proportional to 25,523.19, 35,221.10 and 14,919.75

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Solution

The fourth proportional to 25,523.19, 35,221.10 and 14,919.75 is: 20,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,523.19 : 35,221.10 = 14,919.75 : x
  2. Step 2: Convert to fraction form
    25,523.19/35,221.10 = 14,919.75/x
  3. Step 3: Cross multiply
    25,523.19x = 35,221.10 × 14,919.75
  4. Step 4: Simplify right side
    25,523.19x = 525,489,932.13
  5. Step 5: Solve for x
    x = 525,489,932.13/25,523.19
  6. Step 6: Final answer
    x = 20,588.72

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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.