Home / 21,761.62-32,642.43-14,364.35

Finding the Fourth Proportional to 21,761.62, 32,642.43 and 14,364.35

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Solution

The fourth proportional to 21,761.62, 32,642.43 and 14,364.35 is: 21,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761.62 : 32,642.43 = 14,364.35 : x
  2. Step 2: Convert to fraction form
    21,761.62/32,642.43 = 14,364.35/x
  3. Step 3: Cross multiply
    21,761.62x = 32,642.43 × 14,364.35
  4. Step 4: Simplify right side
    21,761.62x = 468,887,054.34
  5. Step 5: Solve for x
    x = 468,887,054.34/21,761.62
  6. Step 6: Final answer
    x = 21,546.52

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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.