Home / 28,908.24-43,361.68-13,325.86

Finding the Fourth Proportional to 28,908.24, 43,361.68 and 13,325.86

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Solution

The fourth proportional to 28,908.24, 43,361.68 and 13,325.86 is: 19,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.24 : 43,361.68 = 13,325.86 : x
  2. Step 2: Convert to fraction form
    28,908.24/43,361.68 = 13,325.86/x
  3. Step 3: Cross multiply
    28,908.24x = 43,361.68 × 13,325.86
  4. Step 4: Simplify right side
    28,908.24x = 577,831,677.04
  5. Step 5: Solve for x
    x = 577,831,677.04/28,908.24
  6. Step 6: Final answer
    x = 19,988.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.