Home / 28,932.96-43,314-21,569.76

Finding the Fourth Proportional to 28,932.96, 43,314 and 21,569.76

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Solution

The fourth proportional to 28,932.96, 43,314 and 21,569.76 is: 32,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.96 : 43,314 = 21,569.76 : x
  2. Step 2: Convert to fraction form
    28,932.96/43,314 = 21,569.76/x
  3. Step 3: Cross multiply
    28,932.96x = 43,314 × 21,569.76
  4. Step 4: Simplify right side
    28,932.96x = 934,272,584.64
  5. Step 5: Solve for x
    x = 934,272,584.64/28,932.96
  6. Step 6: Final answer
    x = 32,290.94

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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.