Home / 25,621.85-35,361.14-15,011.25

Finding the Fourth Proportional to 25,621.85, 35,361.14 and 15,011.25

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Solution

The fourth proportional to 25,621.85, 35,361.14 and 15,011.25 is: 20,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.85 : 35,361.14 = 15,011.25 : x
  2. Step 2: Convert to fraction form
    25,621.85/35,361.14 = 15,011.25/x
  3. Step 3: Cross multiply
    25,621.85x = 35,361.14 × 15,011.25
  4. Step 4: Simplify right side
    25,621.85x = 530,814,837.77
  5. Step 5: Solve for x
    x = 530,814,837.77/25,621.85
  6. Step 6: Final answer
    x = 20,717.28

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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.