Home / 21,285.04-31,927.47-6,493.91

Finding the Fourth Proportional to 21,285.04, 31,927.47 and 6,493.91

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Solution

The fourth proportional to 21,285.04, 31,927.47 and 6,493.91 is: 9,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,285.04 : 31,927.47 = 6,493.91 : x
  2. Step 2: Convert to fraction form
    21,285.04/31,927.47 = 6,493.91/x
  3. Step 3: Cross multiply
    21,285.04x = 31,927.47 × 6,493.91
  4. Step 4: Simplify right side
    21,285.04x = 207,334,088.97
  5. Step 5: Solve for x
    x = 207,334,088.97/21,285.04
  6. Step 6: Final answer
    x = 9,740.84

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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.