Home / 27,582.66-38,062.86-15,317.31

Finding the Fourth Proportional to 27,582.66, 38,062.86 and 15,317.31

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Solution

The fourth proportional to 27,582.66, 38,062.86 and 15,317.31 is: 21,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,582.66 : 38,062.86 = 15,317.31 : x
  2. Step 2: Convert to fraction form
    27,582.66/38,062.86 = 15,317.31/x
  3. Step 3: Cross multiply
    27,582.66x = 38,062.86 × 15,317.31
  4. Step 4: Simplify right side
    27,582.66x = 583,020,626.11
  5. Step 5: Solve for x
    x = 583,020,626.11/27,582.66
  6. Step 6: Final answer
    x = 21,137.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.