Home / 25,687.02-38,530.43-8,158.22

Finding the Fourth Proportional to 25,687.02, 38,530.43 and 8,158.22

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Solution

The fourth proportional to 25,687.02, 38,530.43 and 8,158.22 is: 12,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.02 : 38,530.43 = 8,158.22 : x
  2. Step 2: Convert to fraction form
    25,687.02/38,530.43 = 8,158.22/x
  3. Step 3: Cross multiply
    25,687.02x = 38,530.43 × 8,158.22
  4. Step 4: Simplify right side
    25,687.02x = 314,339,724.63
  5. Step 5: Solve for x
    x = 314,339,724.63/25,687.02
  6. Step 6: Final answer
    x = 12,237.30

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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.