Home / 25,489.99-35,166.36-18,791.52

Finding the Fourth Proportional to 25,489.99, 35,166.36 and 18,791.52

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Solution

The fourth proportional to 25,489.99, 35,166.36 and 18,791.52 is: 25,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.99 : 35,166.36 = 18,791.52 : x
  2. Step 2: Convert to fraction form
    25,489.99/35,166.36 = 18,791.52/x
  3. Step 3: Cross multiply
    25,489.99x = 35,166.36 × 18,791.52
  4. Step 4: Simplify right side
    25,489.99x = 660,829,357.27
  5. Step 5: Solve for x
    x = 660,829,357.27/25,489.99
  6. Step 6: Final answer
    x = 25,925.05

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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.