Home / 17,257.12-23,760.27-15,680.50

Finding the Fourth Proportional to 17,257.12, 23,760.27 and 15,680.50

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Solution

The fourth proportional to 17,257.12, 23,760.27 and 15,680.50 is: 21,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,257.12 : 23,760.27 = 15,680.50 : x
  2. Step 2: Convert to fraction form
    17,257.12/23,760.27 = 15,680.50/x
  3. Step 3: Cross multiply
    17,257.12x = 23,760.27 × 15,680.50
  4. Step 4: Simplify right side
    17,257.12x = 372,572,913.74
  5. Step 5: Solve for x
    x = 372,572,913.74/17,257.12
  6. Step 6: Final answer
    x = 21,589.52

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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.