Home / 21,599.92-32,326.72-13,285.21

Finding the Fourth Proportional to 21,599.92, 32,326.72 and 13,285.21

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Solution

The fourth proportional to 21,599.92, 32,326.72 and 13,285.21 is: 19,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599.92 : 32,326.72 = 13,285.21 : x
  2. Step 2: Convert to fraction form
    21,599.92/32,326.72 = 13,285.21/x
  3. Step 3: Cross multiply
    21,599.92x = 32,326.72 × 13,285.21
  4. Step 4: Simplify right side
    21,599.92x = 429,467,263.81
  5. Step 5: Solve for x
    x = 429,467,263.81/21,599.92
  6. Step 6: Final answer
    x = 19,882.82

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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.