Home / 22,661.16-31,261.50-14,705.88

Finding the Fourth Proportional to 22,661.16, 31,261.50 and 14,705.88

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Solution

The fourth proportional to 22,661.16, 31,261.50 and 14,705.88 is: 20,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.16 : 31,261.50 = 14,705.88 : x
  2. Step 2: Convert to fraction form
    22,661.16/31,261.50 = 14,705.88/x
  3. Step 3: Cross multiply
    22,661.16x = 31,261.50 × 14,705.88
  4. Step 4: Simplify right side
    22,661.16x = 459,727,867.62
  5. Step 5: Solve for x
    x = 459,727,867.62/22,661.16
  6. Step 6: Final answer
    x = 20,287.04

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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.