Home / 25,420.62-35,080.50-14,090.31

Finding the Fourth Proportional to 25,420.62, 35,080.50 and 14,090.31

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Solution

The fourth proportional to 25,420.62, 35,080.50 and 14,090.31 is: 19,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.62 : 35,080.50 = 14,090.31 : x
  2. Step 2: Convert to fraction form
    25,420.62/35,080.50 = 14,090.31/x
  3. Step 3: Cross multiply
    25,420.62x = 35,080.50 × 14,090.31
  4. Step 4: Simplify right side
    25,420.62x = 494,295,119.96
  5. Step 5: Solve for x
    x = 494,295,119.96/25,420.62
  6. Step 6: Final answer
    x = 19,444.65

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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.