Home / 25,744.05-35,532.41-15,139.80

Finding the Fourth Proportional to 25,744.05, 35,532.41 and 15,139.80

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Solution

The fourth proportional to 25,744.05, 35,532.41 and 15,139.80 is: 20,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,744.05 : 35,532.41 = 15,139.80 : x
  2. Step 2: Convert to fraction form
    25,744.05/35,532.41 = 15,139.80/x
  3. Step 3: Cross multiply
    25,744.05x = 35,532.41 × 15,139.80
  4. Step 4: Simplify right side
    25,744.05x = 537,953,505.22
  5. Step 5: Solve for x
    x = 537,953,505.22/25,744.05
  6. Step 6: Final answer
    x = 20,896.23

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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.