Home / 25,590.09-38,386.51-8,061.29

Finding the Fourth Proportional to 25,590.09, 38,386.51 and 8,061.29

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Solution

The fourth proportional to 25,590.09, 38,386.51 and 8,061.29 is: 12,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.09 : 38,386.51 = 8,061.29 : x
  2. Step 2: Convert to fraction form
    25,590.09/38,386.51 = 8,061.29/x
  3. Step 3: Cross multiply
    25,590.09x = 38,386.51 × 8,061.29
  4. Step 4: Simplify right side
    25,590.09x = 309,444,789.20
  5. Step 5: Solve for x
    x = 309,444,789.20/25,590.09
  6. Step 6: Final answer
    x = 12,092.37

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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.