Home / 25,234.02-34,822.44-15,807.78

Finding the Fourth Proportional to 25,234.02, 34,822.44 and 15,807.78

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Solution

The fourth proportional to 25,234.02, 34,822.44 and 15,807.78 is: 21,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,234.02 : 34,822.44 = 15,807.78 : x
  2. Step 2: Convert to fraction form
    25,234.02/34,822.44 = 15,807.78/x
  3. Step 3: Cross multiply
    25,234.02x = 34,822.44 × 15,807.78
  4. Step 4: Simplify right side
    25,234.02x = 550,465,470.58
  5. Step 5: Solve for x
    x = 550,465,470.58/25,234.02
  6. Step 6: Final answer
    x = 21,814.42

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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.