Home / 25,531.02-38,278.08-17,190.36

Finding the Fourth Proportional to 25,531.02, 38,278.08 and 17,190.36

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Solution

The fourth proportional to 25,531.02, 38,278.08 and 17,190.36 is: 25,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.02 : 38,278.08 = 17,190.36 : x
  2. Step 2: Convert to fraction form
    25,531.02/38,278.08 = 17,190.36/x
  3. Step 3: Cross multiply
    25,531.02x = 38,278.08 × 17,190.36
  4. Step 4: Simplify right side
    25,531.02x = 658,013,975.31
  5. Step 5: Solve for x
    x = 658,013,975.31/25,531.02
  6. Step 6: Final answer
    x = 25,773.12

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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.