Home / 21,761.93-32,642.89-14,364.66

Finding the Fourth Proportional to 21,761.93, 32,642.89 and 14,364.66

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Solution

The fourth proportional to 21,761.93, 32,642.89 and 14,364.66 is: 21,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761.93 : 32,642.89 = 14,364.66 : x
  2. Step 2: Convert to fraction form
    21,761.93/32,642.89 = 14,364.66/x
  3. Step 3: Cross multiply
    21,761.93x = 32,642.89 × 14,364.66
  4. Step 4: Simplify right side
    21,761.93x = 468,904,016.27
  5. Step 5: Solve for x
    x = 468,904,016.27/21,761.93
  6. Step 6: Final answer
    x = 21,546.99

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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.