Home / 25,189.12-34,717.44-18,890.56

Finding the Fourth Proportional to 25,189.12, 34,717.44 and 18,890.56

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Solution

The fourth proportional to 25,189.12, 34,717.44 and 18,890.56 is: 26,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.12 : 34,717.44 = 18,890.56 : x
  2. Step 2: Convert to fraction form
    25,189.12/34,717.44 = 18,890.56/x
  3. Step 3: Cross multiply
    25,189.12x = 34,717.44 × 18,890.56
  4. Step 4: Simplify right side
    25,189.12x = 655,831,883.37
  5. Step 5: Solve for x
    x = 655,831,883.37/25,189.12
  6. Step 6: Final answer
    x = 26,036.32

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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.