Home / 21,056.04-31,584.18-5,473.68

Finding the Fourth Proportional to 21,056.04, 31,584.18 and 5,473.68

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Solution

The fourth proportional to 21,056.04, 31,584.18 and 5,473.68 is: 8,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.04 : 31,584.18 = 5,473.68 : x
  2. Step 2: Convert to fraction form
    21,056.04/31,584.18 = 5,473.68/x
  3. Step 3: Cross multiply
    21,056.04x = 31,584.18 × 5,473.68
  4. Step 4: Simplify right side
    21,056.04x = 172,881,694.38
  5. Step 5: Solve for x
    x = 172,881,694.38/21,056.04
  6. Step 6: Final answer
    x = 8,210.55

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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.