Home / 21,046.04-31,587.51-8,566.02

Finding the Fourth Proportional to 21,046.04, 31,587.51 and 8,566.02

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Solution

The fourth proportional to 21,046.04, 31,587.51 and 8,566.02 is: 12,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.04 : 31,587.51 = 8,566.02 : x
  2. Step 2: Convert to fraction form
    21,046.04/31,587.51 = 8,566.02/x
  3. Step 3: Cross multiply
    21,046.04x = 31,587.51 × 8,566.02
  4. Step 4: Simplify right side
    21,046.04x = 270,579,242.41
  5. Step 5: Solve for x
    x = 270,579,242.41/21,046.04
  6. Step 6: Final answer
    x = 12,856.54

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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.