Home / 21,520.29-32,282.30-5,937.92

Finding the Fourth Proportional to 21,520.29, 32,282.30 and 5,937.92

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Solution

The fourth proportional to 21,520.29, 32,282.30 and 5,937.92 is: 8,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,520.29 : 32,282.30 = 5,937.92 : x
  2. Step 2: Convert to fraction form
    21,520.29/32,282.30 = 5,937.92/x
  3. Step 3: Cross multiply
    21,520.29x = 32,282.30 × 5,937.92
  4. Step 4: Simplify right side
    21,520.29x = 191,689,523.71
  5. Step 5: Solve for x
    x = 191,689,523.71/21,520.29
  6. Step 6: Final answer
    x = 8,907.39

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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.