Home / 25,380.78-35,029.20-14,776.26

Finding the Fourth Proportional to 25,380.78, 35,029.20 and 14,776.26

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Solution

The fourth proportional to 25,380.78, 35,029.20 and 14,776.26 is: 20,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.78 : 35,029.20 = 14,776.26 : x
  2. Step 2: Convert to fraction form
    25,380.78/35,029.20 = 14,776.26/x
  3. Step 3: Cross multiply
    25,380.78x = 35,029.20 × 14,776.26
  4. Step 4: Simplify right side
    25,380.78x = 517,600,566.79
  5. Step 5: Solve for x
    x = 517,600,566.79/25,380.78
  6. Step 6: Final answer
    x = 20,393.41

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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.