Home / 25,469.09-35,151.53-14,142.21

Finding the Fourth Proportional to 25,469.09, 35,151.53 and 14,142.21

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Solution

The fourth proportional to 25,469.09, 35,151.53 and 14,142.21 is: 19,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.09 : 35,151.53 = 14,142.21 : x
  2. Step 2: Convert to fraction form
    25,469.09/35,151.53 = 14,142.21/x
  3. Step 3: Cross multiply
    25,469.09x = 35,151.53 × 14,142.21
  4. Step 4: Simplify right side
    25,469.09x = 497,120,319.08
  5. Step 5: Solve for x
    x = 497,120,319.08/25,469.09
  6. Step 6: Final answer
    x = 19,518.57

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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.