Home / 29,257.32-40,374.96-15,828.48

Finding the Fourth Proportional to 29,257.32, 40,374.96 and 15,828.48

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Solution

The fourth proportional to 29,257.32, 40,374.96 and 15,828.48 is: 21,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,257.32 : 40,374.96 = 15,828.48 : x
  2. Step 2: Convert to fraction form
    29,257.32/40,374.96 = 15,828.48/x
  3. Step 3: Cross multiply
    29,257.32x = 40,374.96 × 15,828.48
  4. Step 4: Simplify right side
    29,257.32x = 639,074,246.86
  5. Step 5: Solve for x
    x = 639,074,246.86/29,257.32
  6. Step 6: Final answer
    x = 21,843.23

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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.