Home / 27,889.56-41,802.12-12,865.23

Finding the Fourth Proportional to 27,889.56, 41,802.12 and 12,865.23

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Solution

The fourth proportional to 27,889.56, 41,802.12 and 12,865.23 is: 19,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.56 : 41,802.12 = 12,865.23 : x
  2. Step 2: Convert to fraction form
    27,889.56/41,802.12 = 12,865.23/x
  3. Step 3: Cross multiply
    27,889.56x = 41,802.12 × 12,865.23
  4. Step 4: Simplify right side
    27,889.56x = 537,793,888.29
  5. Step 5: Solve for x
    x = 537,793,888.29/27,889.56
  6. Step 6: Final answer
    x = 19,282.98

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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.