Home / 21,392.99-32,089.37-5,810.61

Finding the Fourth Proportional to 21,392.99, 32,089.37 and 5,810.61

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Solution

The fourth proportional to 21,392.99, 32,089.37 and 5,810.61 is: 8,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.99 : 32,089.37 = 5,810.61 : x
  2. Step 2: Convert to fraction form
    21,392.99/32,089.37 = 5,810.61/x
  3. Step 3: Cross multiply
    21,392.99x = 32,089.37 × 5,810.61
  4. Step 4: Simplify right side
    21,392.99x = 186,458,785.16
  5. Step 5: Solve for x
    x = 186,458,785.16/21,392.99
  6. Step 6: Final answer
    x = 8,715.88

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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.