Home / 25,278.80-37,887.45-17,885.39

Finding the Fourth Proportional to 25,278.80, 37,887.45 and 17,885.39

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Solution

The fourth proportional to 25,278.80, 37,887.45 and 17,885.39 is: 26,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.80 : 37,887.45 = 17,885.39 : x
  2. Step 2: Convert to fraction form
    25,278.80/37,887.45 = 17,885.39/x
  3. Step 3: Cross multiply
    25,278.80x = 37,887.45 × 17,885.39
  4. Step 4: Simplify right side
    25,278.80x = 677,631,562.85
  5. Step 5: Solve for x
    x = 677,631,562.85/25,278.80
  6. Step 6: Final answer
    x = 26,806.32

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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.