Home / 25,159.80-37,739.28-6,439.66

Finding the Fourth Proportional to 25,159.80, 37,739.28 and 6,439.66

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Solution

The fourth proportional to 25,159.80, 37,739.28 and 6,439.66 is: 9,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.80 : 37,739.28 = 6,439.66 : x
  2. Step 2: Convert to fraction form
    25,159.80/37,739.28 = 6,439.66/x
  3. Step 3: Cross multiply
    25,159.80x = 37,739.28 × 6,439.66
  4. Step 4: Simplify right side
    25,159.80x = 243,028,131.84
  5. Step 5: Solve for x
    x = 243,028,131.84/25,159.80
  6. Step 6: Final answer
    x = 9,659.38

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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.