Home / 15,439.56-23,159.26-3,752.88

Finding the Fourth Proportional to 15,439.56, 23,159.26 and 3,752.88

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Solution

The fourth proportional to 15,439.56, 23,159.26 and 3,752.88 is: 5,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.56 : 23,159.26 = 3,752.88 : x
  2. Step 2: Convert to fraction form
    15,439.56/23,159.26 = 3,752.88/x
  3. Step 3: Cross multiply
    15,439.56x = 23,159.26 × 3,752.88
  4. Step 4: Simplify right side
    15,439.56x = 86,913,923.67
  5. Step 5: Solve for x
    x = 86,913,923.67/15,439.56
  6. Step 6: Final answer
    x = 5,629.30

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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.